| California | 24.40 |
| New York | 11.13 |
| Texas | 6.02 |
| Massachusetts | 5.83 |
| Pennsylvania | 4.91 |
| Ohio | 4.70 |
| Arizona | 4.69 |
| Washington | 3.88 |
| Indiana | 3.88 |
| Michigan | 2.84 |
| Illinois | 2.55 |
| Connecticut | 2.42 |
| Kansas | 2.35 |
| Virginia | 2.17 |
| Hawaii | 2.09 |
| Maryland | 2.09 |
| Minnesota | 1.77 |
| North Dakota | 1.44 |
| Rhode Island | 1.44 |
| Utah | 1.43 |
| Vermont | 1.29 |
| Alaska | 1.23 |
| Iowa | 1.19 |
| Georgia | 1.03 |
| Colorado | 0.87 |
| Missouri | 0.76 |
| Florida | 0.68 |
| Idaho | 0.65 |
| District of Columbia | 0.26 |