| California | 23.23 |
| New York | 10.99 |
| Texas | 7.62 |
| Massachusetts | 5.55 |
| Pennsylvania | 4.76 |
| Indiana | 4.73 |
| Ohio | 4.46 |
| Arizona | 4.46 |
| Washington | 3.70 |
| Maryland | 3.21 |
| Michigan | 2.71 |
| Illinois | 2.43 |
| Connecticut | 2.30 |
| Kansas | 2.23 |
| Virginia | 2.02 |
| Hawaii | 2.00 |
| Minnesota | 1.70 |
| Rhode Island | 1.38 |
| Utah | 1.38 |
| North Dakota | 1.38 |
| Vermont | 1.23 |
| Alaska | 1.17 |
| Iowa | 1.13 |
| Colorado | 0.82 |
| Mississippi | 0.76 |
| Missouri | 0.73 |
| Florida | 0.66 |
| Idaho | 0.62 |
| Georgia | 0.39 |
| District of Columbia | 0.25 |