| Year | State | % Correct |
|---|---|---|
| 2011 | New York | 100%
|
| 2013 | California | 98%
|
| 2012 | Washington | 90%
|
| 2012 | Maine | 83%
|
| 2008 | Connecticut | 80%
|
| 2009 | Vermont | 80%
|
| 2004 | Massachusetts | 76%
|
| 2013 | Maryland | 73%
|
| 2010 | New Hampshire | 71%
|
| 2009 | Iowa | 34%
|