| California | 16.02 |
| New York | 14.03 |
| Illinois | 10.53 |
| Texas | 8.16 |
| Massachusetts | 6.13 |
| Pennsylvania | 5.32 |
| Florida | 3.70 |
| Connecticut | 3.62 |
| Georgia | 3.08 |
| New Jersey | 2.93 |
| Colorado | 2.90 |
| Michigan | 2.78 |
| Alabama | 2.51 |
| Washington | 2.36 |
| Arizona | 2.21 |
| Ohio | 2.14 |
| Delaware | 2.07 |
| Missouri | 1.70 |
| District of Columbia | 1.31 |
| Virginia | 1.14 |
| Oregon | 1.12 |
| West Virginia | 1.04 |
| Oklahoma | 0.70 |
| Minnesota | 0.64 |
| Louisiana | 0.58 |
| North Carolina | 0.55 |
| New Hampshire | 0.49 |
| Montana | 0.19 |
| Rhode Island | 0.07 |