| Year | State | % Correct |
|---|---|---|
| 1974 | Idaho | 95%
|
| 1990 | Oklahoma | 93%
|
| 1988 | Texas | 93%
|
| 1970 | Wyoming | 93%
|
| 1982 | Mississippi | 89%
|
| 1970 | Utah | 89%
|
| 1990 | Tennessee | 88%
|
| 1992 | Kentucky | 86%
|
| 1932 | Kansas | 84%
|
| 1988 | Maine | 35%
|