| Tonnes (2015) | Answer | % Correct |
|---|---|---|
| 77 | Kentucky | 100%
|
| 112 | West Virginia | 94%
|
| 58 | Illinois | 89%
|
| 61 | Pennsylvania | 89%
|
| 395 | Wyoming | 89%
|
| 44 | Montana | 83%
|
| 24 | Colorado | 78%
|
| 39.3 | Indiana | 78%
|
| 43 | Texas | 72%
|
| 29.2 | North Dakota | 67%
|