| Flat since | State | % Correct |
|---|---|---|
| 2009 | Texas | 91%
|
| 2008 | Alabama | 82%
|
| 2008 | Arizona | 82%
|
| 1969 | Delaware | 82%
|
| 2012 | Georgia | 82%
|
| 2003 | Indiana | 82%
|
| 2018 | Kansas | 82%
|
| 2003 | Montana | 82%
|
| 2014 | New Jersey | 82%
|
| 2015 | North Dakota | 82%
|
| 2021 | Ohio | 82%
|
| 2009 | Oklahoma | 82%
|
| 2007 | South Carolina | 82%
|
| 2003 | South Dakota | 82%
|
| 2025 | Utah | 82%
|
| 2001 | Wyoming | 82%
|
| 2008 | Idaho | 73%
|
| 2008 | Minnesota | 73%
|
| 2005 | Nebraska | 73%
|
| 2020 | Kentucky | 64%
|
| 2023 | Rhode Island | 64%
|
| 2006 | Tennessee | 64%
|
| 2000 | Iowa | 55%
|