| Year | State | % Correct |
|---|---|---|
| 2013 | California | 98%
|
| 2014 | Idaho | 96%
|
| 2011 | New York | 96%
|
| 2014 | Alaska | 94%
|
| 2014 | Colorado | 94%
|
| 2013 | Delaware | 94%
|
| 2015 | Florida | 94%
|
| 2004 | Massachusetts | 94%
|
| 2014 | Nevada | 94%
|
| 2013 | New Jersey | 94%
|
| 2014 | Oregon | 94%
|
| 2014 | Pennsylvania | 94%
|
| 2013 | Rhode Island | 94%
|
| 2009 | Vermont | 94%
|
| 2014 | Virginia | 94%
|
| 2012 | Washington | 94%
|
| 2014 | Wyoming | 94%
|
| 2014 | Arizona | 92%
|
| 2008 | Connecticut | 92%
|
| 2013 | Hawaii | 92%
|
| 2014 | Montana | 92%
|
| 2012 | Maine | 90%
|
| 2013 | Maryland | 90%
|
| 2014 | North Carolina | 90%
|
| 2014 | Utah | 90%
|
| 2014 | West Virginia | 90%
|
| 2014 | Indiana | 88%
|
| 2014 | Illinois | 86%
|
| 2013 | New Mexico | 86%
|
| 2014 | Wisconsin | 86%
|
| 2009 | Iowa | 84%
|
| 2014 | Oklahoma | 84%
|
| 2013 | Minnesota | 82%
|