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Home > Certification > Statistics
Statistics
Total Certified Professionals
Domestic Certificants by State/Territory
International Certificants by Country
Pass Rates
Total Certified Professionals as of March 17, 2009
Total Number of Certified Professionals: 100,607
PHR: 56,332
SPHR: 42,488
GPHR: 790
PHR-CA: 140
SPHR-CA: 225
PHR/GPHR: 128
SPHR/GPHR: 495
SPHR-CA/GPHR:9
*Please note that each number accounts for an individual record, therefore providing us with the total individuals certified when added up.
Certified by State/Territory and SHRM Region as of March 17, 2009
 |
Total Number of Domestic Certified Professionals: 99,403
PHR: 55,709
SPHR:42,133
GPHR: 597
PHR-CA: 140
SPHR-CA: 225
PHR/GPHR: 121
SPHR/GPHR: 469
SPHR-CA/GPHR: 9
*Please note that each number accounts for an individual record, therefore providing us with the total individuals certified when added up.
|
North Central |
| State |
Certification |
Total |
| Iowa |
GPHR |
1 |
| Iowa |
PHR |
859 |
| Iowa |
SPHR |
573 |
| Iowa |
PHR/GPHR |
2 |
| Iowa |
SPHR/GPHR |
9 |
| State Total |
1,444 |
| Illinois |
GPHR |
28 |
| Illinois |
PHR |
3,038 |
| Illinois |
SPHR |
2,061 |
| Illinois |
SPHR-CA |
1 |
| Illinois |
PHR/GPHR |
3 |
| Illinois |
SPHR/GPHR |
31 |
| State Total |
5,162 |
| Indiana |
GPHR |
10 |
| Indiana |
PHR |
1,300 |
| Indiana |
SPHR |
983 |
| Indiana |
PHR-CA |
1 |
| Indiana |
SPHR-CA |
1 |
| Indiana |
PHR/GPHR |
1 |
| Indiana |
SPHR/GPHR |
2 |
| State Total |
2,298 |
| Michigan |
GPHR |
27 |
| Michigan |
PHR |
1,473 |
| Michigan |
SPHR |
1,225 |
| Michigan |
PHR/GPHR |
3 |
| Michigan |
SPHR/GPHR |
18 |
| State Total |
2,746 |
| Minnesota |
GPHR |
13 |
| Minnesota |
PHR |
1,113 |
| Minnesota |
SPHR |
1,222 |
| Minnesota |
PHR/GPHR |
1 |
| Minnesota |
SPHR/GPHR |
11 |
| State Total |
2,360 |
| North Dakota |
GPHR |
1 |
| North Dakota |
PHR |
148 |
| North Dakota |
SPHR |
107 |
| North Dakota |
SPHR/GPHR |
1 |
| State Total |
257 |
| Nebraska |
GPHR |
3 |
| Nebraska |
PHR |
515 |
| Nebraska |
SPHR |
333 |
| Nebraska |
SPHR/GPHR |
3 |
| State Total |
854 |
| Ohio |
GPHR |
12 |
| Ohio |
PHR |
2,468 |
| Ohio |
SPHR |
1,982 |
| Ohio |
PHR/GPHR |
2 |
| Ohio |
SPHR/GPHR |
21 |
| State Total |
4,485 |
| South Dakota |
PHR |
160 |
| South Dakota |
SPHR |
106 |
| South Dakota |
SPHR/GPHR |
1 |
| State Total |
267 |
| Wisconsin |
GPHR |
11 |
| Wisconsin |
PHR |
1,452 |
| Wisconsin |
SPHR |
1,079 |
| Wisconsin |
PHR/GPHR |
1 |
| Wisconsin |
SPHR/GPHR |
9 |
| State Total |
2,552 |
| Region Total |
22,425 |
|
|
Northeast |
| State |
Certification |
Total |
| Connecticut |
GPHR |
8 |
| Connecticut |
PHR |
315 |
| Connecticut |
SPHR |
377 |
| Connecticut |
PHR/GPHR |
1 |
| Connecticut |
SPHR/GPHR |
8 |
| State Total |
709 |
| Delaware |
GPHR |
1 |
| Delaware |
PHR |
184 |
| Delaware |
SPHR |
120 |
| Delaware |
SPHR/GPHR |
1 |
| State Total |
306 |
| Massachusetts |
GPHR |
12 |
| Massachusetts |
PHR |
1,019 |
| Massachusetts |
SPHR |
779 |
| Massachusetts |
PHR-CA |
1 |
| Massachusetts |
SPHR-CA |
1 |
| Massachusetts |
PHR/GPHR |
3 |
| Massachusetts |
SPHR/GPHR |
8 |
| State Total |
1,823 |
| Maryland |
GPHR |
15 |
| Maryland |
PHR |
1,566 |
| Maryland |
SPHR |
962 |
| Maryland |
PHR-CA |
1 |
| Maryland |
SPHR-CA |
1 |
| Maryland |
PHR/GPHR |
7 |
| Maryland |
SPHR/GPHR |
16 |
| Maryland |
SPHRCA/GPHR |
1 |
| State Total |
2,569 |
| Maine |
GPHR |
1 |
| Maine |
PHR |
154 |
| Maine |
SPHR |
194 |
| Maine |
SPHR/GPHR |
1 |
| State Total |
350 |
| New Hampshire |
GPHR |
4 |
| New Hampshire |
PHR |
234 |
| New Hampshire |
SPHR |
178 |
| New Hampshire |
PHR/GPHR |
2 |
| New Hamshire |
SPHR/GPHR |
1 |
| State Total |
419 |
| New Jersey |
GPHR |
48 |
| New Jersey |
PHR |
1,686 |
| New Jersey |
SPHR |
1,120 |
| New Jersey |
PHR-CA |
1 |
| New Jersey |
SPHR-CA |
1 |
| New Jersey |
PHR/GPHR |
1 |
| New Jersey |
SPHR/GPHR |
22 |
| State Total |
2,879 |
| New York |
GPHR |
47 |
| New York |
PHR |
2,129 |
| New York |
SPHR |
1,485 |
| New York |
PHR-CA |
1 |
| New York |
SPHR-CA |
1 |
| New York |
PHR/GPHR |
8 |
| New York |
SPHR/GPHR |
17 |
| New York |
SPHRCA/GPHR |
1 |
| State Total |
3,689 |
| Pennsylvania |
GPHR |
18 |
| Pennsylvania |
PHR |
2,691 |
| Pennsylvania |
SPHR |
1,906 |
| Pennsylvania |
PHR/GPHR |
5 |
| Pennsylvania |
SPHR/GPHR |
12 |
| State Total |
4,632 |
| Rhode Island |
PHR |
148 |
| Rhode Island |
SPHR |
129 |
| Rhode Island |
PHR/GPHR |
1 |
| Rhode Island |
SPHR/GPHR |
2 |
| State Total |
280 |
| Vermont |
PHR |
159 |
| Vermont |
SPHR |
121 |
| Vermont |
GPHR |
1 |
| State Total |
281 |
| Region Total |
17,937 |
|
|
Pacific West |
| State |
Certification |
Total |
| Alaska |
GPHR |
1 |
| Alaska |
PHR |
188 |
| Alaska |
SPHR |
126 |
| Alaska |
PHR/GPHR |
1 |
| Alaska |
SPHR/GPHR |
9 |
| State Total |
325 |
| California |
GPHR |
56 |
| California |
PHR |
3,972 |
| California |
SPHR |
3,754 |
| California |
PHR-CA |
123 |
| California |
SPHR-CA |
196 |
| California |
PHR/GPHR |
7 |
| California |
SPHR/GPHR |
37 |
| California |
SPHRCA/GPHR |
6 |
| State Total |
8,151 |
| Hawaii |
PHR |
175 |
| Hawaii |
SPHR |
114 |
| State Total |
289 |
| Idaho |
PHR |
233 |
| Idaho |
SPHR |
164 |
| Idaho |
SPHR/GPHR |
2 |
| State Total |
399 |
| Montana |
PHR |
178 |
| Montana |
SPHR |
114 |
| Montana |
SPHR-CA |
1 |
| State Total |
293 |
| Nevada |
GPHR |
3 |
| Nevada |
PHR |
320 |
| Nevada |
SPHR |
313 |
| Nevada |
SPHR-CA |
2 |
| Nevada |
SPHR/GPHR |
2 |
| State Total |
640 |
| Oregon |
GPHR |
12 |
| Oregon |
PHR |
740 |
| Oregon |
SPHR |
725 |
| Oregon |
SPHR-CA |
1 |
| Oregon |
PHR/GPHR |
6 |
| Oregon |
SPHR/GPHR |
6 |
| State Total |
1,490 |
| Washington |
GPHR |
22 |
| Washington |
PHR |
1,929 |
| Washington |
SPHR |
1,601 |
| Washington |
SPHR-CA |
1 |
| Washington |
PHR/GPHR |
4 |
| Washington |
SPHR/GPHR |
23 |
| State Total |
3,580 |
| Wyoming |
PHR |
56 |
| Wyoming |
SPHR |
40 |
| State Total |
96 |
| Region Total |
15,263 |
|
|
Southeast |
| State |
Certification |
Total |
| Alabama |
PHR |
548 |
| Alabama |
SPHR |
439 |
| Alabama |
PHR/GPHR |
1 |
| Alabama |
SPHR/GPHR |
1 |
| State Total |
989 |
| District of Columbia |
GPHR |
9 |
| District of Columbia |
PHR |
173 |
| District of Columbia |
SPHR |
171 |
| District of Columbia |
SPHR/GPHR |
3 |
| State Total |
356 |
| Florida |
GPHR |
27 |
| Florida |
PHR |
3,645 |
| Florida |
SPHR |
2,302 |
| Florida |
PHR-CA |
1 |
| Florida |
SPHR-CA |
1 |
| Florida |
PHR/GPHR |
7 |
| Florida |
SPHR/GPHR |
27 |
| State Total |
6,010 |
| Georgia |
GPHR |
13 |
| Georgia |
PHR |
2,001 |
| Georgia |
SPHR |
1,336 |
| Georgia |
PHR/GPHR |
10 |
| Georgia |
SPHR/GPHR |
13 |
| State Total |
3,373 |
| Kentucky |
GPHR |
2 |
| Kentucky |
PHR |
757 |
| Kentucky |
SPHR |
533 |
| Kentucky |
SPHR/GPHR |
1 |
| State Total |
1,293 |
| Mississippi |
PHR |
211 |
| Mississippi |
SPHR |
128 |
| State Total |
339 |
| North Carolina |
GPHR |
19 |
| North Carolina |
PHR |
1,861 |
| North Carolina |
SPHR |
1,524 |
| North Carolina |
SPHR-CA |
2 |
| North Carolina |
PHR/GPHR |
3 |
| North Carolina |
SPHR/GPHR |
21 |
| State Total |
3,430 |
| South Carolina |
GPHR |
2 |
| South Carolina |
PHR |
751 |
| South Carolina |
SPHR |
477 |
| South Carolina |
PHR/GPHR |
1 |
| South Carolina |
SPHR/GPHR |
3 |
| State Total |
1,234 |
| Tennessee |
GPHR |
5 |
| Tennessee |
PHR |
1,119 |
| Tennessee |
SPHR |
970 |
| Tennessee |
SPHR/GPHR |
3 |
| State Total |
2,097 |
| Virginia |
GPHR |
30 |
| Virginia |
PHR |
2,315 |
| Virginia |
SPHR |
1,923 |
| Virginia |
PHR-CA |
2 |
| Virginia |
PHR/GPHR |
5 |
| Virginia |
SPHR/GPHR |
24 |
| Virginia |
SPHRCA/GPHR |
1 |
| State Total |
4,300 |
| West Virginia |
PHR |
139 |
| West Virginia |
SPHR |
110 |
| State Total |
249 |
| Region Total |
23,670 |
|
|
Southwest Central |
| State |
Certification |
Total |
| Arkansas |
GPHR |
3 |
| Arkansas |
PHR |
496 |
| Arkansas |
SPHR |
244 |
| Arkansas |
SPHR-CA |
1 |
| Arkansas |
SPHR/GPHR |
1 |
| State Total |
745 |
| Arizona |
GPHR |
6 |
| Arizona |
PHR |
1,128 |
| Arizona |
SPHR |
882 |
| Arizona |
PHR-CA |
1 |
| Arizona |
SPHR-CA |
3 |
| Arizona |
PHR/GPHR |
2 |
| Arizona |
SPHR/GPHR |
3 |
| State Total |
2,025 |
| Colorado |
GPHR |
23 |
| Colorado |
PHR |
1,307 |
| Colorado |
SPHR |
1,246 |
| Colorado |
PHR-CA |
2 |
| Colorado |
SPHR-CA |
6 |
| Colorado |
PHR/GPHR |
8 |
| Colorado |
SPHR/GPHR |
25 |
| State Total |
2,617 |
| Kansas |
PHR |
539 |
| Kansas |
SPHR |
436 |
| Kansas |
PHR-CA |
1 |
| Kansas |
SPHR-CA |
1 |
| Kansas |
SPHR/GPHR |
3 |
| State Total |
980 |
| Louisiana |
GPHR |
2 |
| Louisiana |
PHR |
553 |
| Louisiana |
SPHR |
253 |
| Louisiana |
SPHR/GPHR |
1 |
| State Total |
809 |
| Missouri |
GPHR |
6 |
| Missouri |
PHR |
896 |
| Missouri |
SPHR |
789 |
| Missouri |
SPHR-CA |
1 |
| Missouri |
SPHR/GPHR |
7 |
| State Total |
1,699 |
| New Mexico |
PHR |
259 |
| New Mexico |
SPHR |
260 |
| New Mexico |
SPHR/GPHR |
1 |
| State Total |
520 |
| Oklahoma |
GPHR |
2 |
| Oklahoma |
PHR |
687 |
| Oklahoma |
SPHR |
378 |
| Oklahoma |
PHR-CA |
3 |
| Oklahoma |
SPHR/GPHR |
3 |
| State Total |
1,073 |
| Texas |
GPHR |
90 |
| Texas |
PHR |
5,117 |
| Texas |
SPHR |
3,379 |
| Texas |
PHR-CA |
1 |
| Texas |
SPHR-CA |
3 |
| Texas |
PHR/GPHR |
24 |
| Texas |
SPHR/GPHR |
47 |
| State Total |
8,661 |
| Utah |
GPHR |
2 |
| Utah |
PHR |
583 |
| Utah |
SPHR |
339 |
| Utah |
PHR-CA |
1 |
| Utah |
PHR/GPHR |
1 |
| Utah |
SPHR/GPHR |
9 |
| State Total |
935 |
| Region Total |
20,064 |
|
|
|
|
Armed Forces |
|
Certification |
Total |
| Armed Forces |
PHR |
22 |
| Armed Forces |
SPHR |
21 |
| Armed Forces |
GPHR |
1 |
| Armed Forces Total |
44 |
*Please note that U.S. territories can be found with the international statistics.
International Certificants by Country as of March 17, 2009
|
Total Number International Certified Professionals: 1134
PHR: 602
SPHR: 306
GPHR: 193
PHR/GPHR: 7
SPHR/GPHR: 26
*Please note that each number accounts for an individual record, therefore providing us with the total individuals certified when added up.
|
Country |
Certification |
Total |
|
Albania |
PHR |
1 |
|
Country Total |
|
1 |
|
Antigua and Barbuda |
SHR |
1 |
|
Country Total |
|
1 |
|
Argentina |
SPHR |
1 |
|
Argentina |
GPHR |
1 |
|
Country Total |
|
2 |
|
Australia |
PHR |
7 |
|
Australia |
SPHR |
4 |
|
Country Total |
11 |
|
Austria |
SPHR/GPHR |
1 |
|
Country Total |
1 |
|
Bahamas |
PHR |
12 |
|
Bahamas |
SPHR |
3 |
|
Country Total |
15 |
|
Barbados |
PHR |
4 |
|
Barbados |
SPHR |
2 |
|
Barbados |
GPHR |
1 |
|
Country Total |
7 |
|
Belgium |
SPHR |
2 |
|
Belgium |
GPHR |
2 |
|
Country Total |
4 |
|
Belize |
GPHR |
1 |
| Country Total |
|
1 |
|
Bermuda |
PHR |
30 |
|
Bermuda |
SPHR |
7 |
|
Bermuda |
GPHR |
1 |
|
Country Total |
38 |
|
Brazil |
GPHR |
3 |
|
Country Total |
3 |
|
Bulgaria |
SPHR |
1 |
|
Country Total |
1 |
|
Canada |
PHR |
33 |
|
Canada |
SPHR |
47 |
|
Canada |
GPHR |
30 |
|
Canada |
PHR/GPHR |
1 |
|
Canada |
SPHR/GPHR |
4 |
|
Country Total |
115 |
|
Cayman Islands |
PHR |
2 |
|
Cayman Islands |
SPHR |
2 |
|
Cayman Islands |
GPHR |
1 |
|
Country Total |
5 |
|
China |
PHR |
5 |
|
China |
SPHR |
3 |
|
China |
GPHR |
24 |
|
Country Total |
32 |
|
Czech Republic |
PHR |
1 |
|
Country Total |
1 |
|
Denmark |
GPHR |
1 |
| Country Total |
|
1 |
|
Egypt |
PHR |
13 |
|
Egypt |
SPHR |
3 |
|
Egypt |
GPHR |
1 |
|
Country Total |
17 |
|
Equatorial Guinea |
GPHR |
1 |
| Country Total |
|
1 |
|
France |
PHR |
3 |
|
France |
SPHR |
3 |
|
France |
GPHR |
5 |
|
Country Total |
11 |
|
Georgia |
SPHR |
1 |
|
Country Total |
|
1 |
|
Germany |
PHR |
4 |
|
Germany |
SPHR |
8 |
|
Germany |
GPHR |
1 |
|
Germany |
PHR/GPHR |
1 |
|
Germany |
SPHR/GPHR |
1 |
|
Country Total |
15 |
|
Ghana |
SPHR |
2 |
|
Country Total |
|
2 |
|
Guam |
PHR |
15 |
|
Guam |
SPHR |
5 |
|
Guam |
GPHR |
1 |
|
Guam |
SPHR/GPHR |
1 |
|
Country Total |
|
22 |
|
Hong Kong |
PHR |
2 |
|
Hong Kong |
SPHR |
6 |
|
Hong Kong |
GPHR |
6 |
|
Hong Kong |
SPHR/GPHR |
1 |
|
Country Total |
15 |
|
Hungary |
GPHR |
1 |
|
Country Total |
|
1 |
|
India |
PHR |
23 |
|
India |
SPHR |
20 |
|
India |
GPHR |
32 |
|
Country Total |
75 |
|
Indonesia |
PHR |
1 |
|
Indonesia |
GPHR |
1 |
|
Country Total |
2 |
|
Ireland |
SPHR |
1 |
|
Country Total |
1 |
|
Italy |
PHR |
2 |
|
Italy |
GPHR |
3 |
|
Country Total |
5 |
|
Jamaica |
PHR |
10 |
|
Jamaica |
SPHR |
12 |
|
Country Total |
22 |
|
Japan |
PHR |
7 |
|
Japan |
SPHR |
4 |
|
Japan |
GPHR |
4 |
|
Country Total |
15 |
|
Jordan |
PHR |
7 |
|
Jordan |
SPHR |
4 |
|
Country Total |
11 |
|
Kazakhstan |
SPHR |
1 |
|
Country Total |
1 |
|
Kuwait |
PHR |
11 |
|
Kuwait |
GPHR |
4 |
|
Kuwait |
SPHR/GPHR |
2 |
|
Country Total |
17 |
|
Lebanon |
PHR |
26 |
|
Lebanon |
SPHR |
7 |
|
Lebanon |
GPHR |
1 |
|
Country Total |
34 |
|
Luxembourg |
SPHR |
1 |
|
Country Total |
|
1 |
|
Malaysia |
SPHR |
2 |
|
Malaysia |
GPHR |
1 |
|
Country Total |
3 |
|
Mauritius |
GPHR |
1 |
|
Country Total |
|
1 |
|
Mexico |
PHR |
3 |
|
Mexico |
SPHR |
3 |
|
Country Total |
6 |
|
Netherlands |
PHR |
1 |
|
Netherlands |
SPHR |
2 |
|
Netherlands |
GPHR |
3 |
|
Country Total |
6 |
|
Netherlands Antilles |
SPHR |
1 |
| Country Total |
|
1 |
|
New Zealand |
SPHR |
2 |
|
New Zealand |
SPHR/GPHR |
1 |
|
Country Total |
3 |
|
Nigeria |
PHR |
10 |
|
Nigeria |
SPHR |
8 |
|
Nigeria |
GPHR |
9 |
|
Nigeria |
PHR/GPHR |
1 |
|
Nigeria |
SPHR/GPHR |
2 |
|
Country Total |
30 |
|
Northern Mariana Island |
PHR |
1 |
|
Northern Mariana Island |
SPHR |
1 |
|
Northern Mariana Island |
SPHR/GPHR |
1 |
|
Country Total |
3 |
|
Oman |
PHR |
1 |
|
Oman |
SPHR |
5 |
|
Country Total |
6 |
|
Pakistan |
PHR |
3 |
|
Pakistan |
GPHR |
2 |
|
Country Total |
5 |
|
Panama |
SPHR |
1 |
|
Country Total |
1 |
|
Peru |
PHR |
1 |
|
Country Total |
|
1 |
|
Poland |
SPHR |
1 |
|
Country Total |
|
1 |
|
Puerto Rico |
PHR |
90 |
|
Puerto Rico |
SPHR |
27 |
|
Puerto Rico |
SPHR/GPHR |
2 |
|
Country Total |
|
119 |
|
Qatar |
PHR |
5 |
|
Qatar |
GPHR |
3 |
|
Country Total |
8 |
|
Russia |
PHR |
2 |
|
Russia |
GPHR |
4 |
|
Country Total |
6 |
|
St. Kitts and Nevis |
PHR |
1 |
|
Country Total |
|
1 |
|
St. Lucia |
PHR |
3 |
|
Country Total |
3 |
|
Saudi Arabia |
PHR |
5 |
|
Saudi Arabia |
SPHR |
3 |
|
Saudi Arabia |
GPHR |
3 |
|
Saudi Arabia |
SPHR/GPHR |
2 |
|
Country Total |
13 |
|
Singapore |
PHR |
1 |
|
Singapore |
SPHR |
7 |
|
Singapore |
GPHR |
3 |
|
Country Total |
11 |
|
South Africa |
PHR |
2 |
|
South Africa |
SPHR |
2 |
|
South Africa |
GPHR |
2 |
|
Country Total |
6 |
|
South Korea |
PHR |
167 |
|
South Korea |
SPHR |
20 |
|
South Korea |
GPHR |
4 |
|
South Korea |
PHR/GPHR |
1 |
|
South Korea |
SPHR/GPHR |
1 |
|
Country Total |
193 |
|
Spain |
PHR |
2 |
|
Spain |
SPHR |
1 |
|
Spain |
GPHR |
1 |
|
Country Total |
4 |
|
Sweden |
SPHR |
1 |
|
Country Total |
1 |
|
Switzerland |
PHR |
6 |
|
Switzerland |
SPHR |
5 |
|
Switzerland |
GPHR |
7 |
|
Country Total |
18 |
|
Thailand |
SPHR/GPHR |
1 |
| Country Total |
|
1 |
|
Taiwan |
PHR |
3 |
|
Taiwan |
SPHR |
1 |
|
Taiwan |
GPHR |
3 |
|
Taiwan |
PHR/GPHR |
1 |
|
Country Total |
8 |
|
Trinidad |
PHR |
9 |
|
Trinidad |
SPHR |
4 |
|
Trinidad |
GPHR |
2 |
|
Trinidad |
SPHR/GPHR |
1 |
|
Country Total |
16 |
|
United Arab Emirates |
PHR |
6 |
|
United Arab Emirates |
SPHR |
9 |
|
United Arab Emirates |
GPHR |
8 |
|
United Arab Emirates |
PHR/GPHR |
1 |
|
United Arab Emirates |
SPHR/GPHR |
4 |
|
Country Total |
28 |
|
United Kingdom |
PHR |
14 |
|
United Kingdom |
SPHR |
12 |
|
United Kingdom |
GPHR |
9 |
|
United Kingdom |
PHR/GPHR |
1 |
|
United Kingdom |
SPHR/GPHR |
1 |
|
Country Total |
37 |
|
Virgin Islands |
PHR |
9 |
|
Virgin Islands |
SPHR |
2 |
|
Virgin Islands |
GPHR |
1 |
|
Country Total |
|
12 |
Pass Rates
The following are pass rates for certification candidates during the past several administrations of the exam.
| Exam Date/Window |
PHR Pass Rate |
SPHR Pass Rate |
GPHR Pass Rate |
PHR-CA/ SPHR-CA Pass Rate |
| December 2001 |
67% |
57% |
N/A |
N/A |
| May 2002 |
65% |
53% |
N/A |
N/A |
| May 2003 |
65% |
58% |
N/A |
N/A |
| December 2003 |
65% |
57% |
N/A |
N/A |
| May - June 2004 |
67% |
59% |
N/A |
N/A |
| November-December 2004 |
67% |
60% |
68% |
N/A |
| May-June 2005 |
67% |
58% |
65% |
N/A |
| December 2005-January 2006 |
64% |
56% |
69% |
N/A |
| May-June 2006 |
64% |
58% |
70% |
N/A |
| December 2006- January 2007 |
63% |
55% |
56% |
N/A |
| May- June 2007 |
61% |
58% |
53% |
N/A |
| California April & June 2007 |
N/A |
N/A |
N/A |
71% |
| December 2007-January 2008 |
63% |
57% |
56% |
72% |
| May-June 2008 |
60% |
54% |
64% |
74% |
| December 2008-January 2009 |
59% |
54% |
66% |
52% |
|
|
