| Year | District or Territories | % Correct |
|---|---|---|
| 1899 | Guam | 86%
|
| 1899 | Puerto Rico | 86%
|
| 1900 | American Samoa | 57%
|
| 1917 | U.S. Virgin Islands | 57%
|
| 1790 | District of Columbia | 43%
|
| 1986 | Northern Mariana Islands | 29%
|
| 1869 ( also claimed by Jamaica, Nicaragua ) | Bajo Nuevo Bank | 0%
|
| 1856 | Baker Island | 0%
|
| 1858 | Howland Island | 0%
|
| 1856 | Jarvis Island | 0%
|
| 1859 | Johnston Atoll | 0%
|
| 1860 | Kingman Reef | 0%
|
| 1867 | Midway Atoll | 0%
|
| 1858 | Navassa Island | 0%
|
| 1898 | Palmyra Atoll | 0%
|
| 1880 ( also claimed by Honduras, Nicaragua ) | Serranilla Bank | 0%
|