| California | 21.69 |
| New York | 9.49 |
| Texas | 8.19 |
| Massachusetts | 5.99 |
| Ohio | 5.91 |
| Arizona | 4.81 |
| Indiana | 4.00 |
| Washington | 3.98 |
| Pennsylvania | 3.40 |
| Michigan | 2.90 |
| New Mexico | 2.65 |
| Illinois | 2.60 |
| Connecticut | 2.46 |
| Kansas | 2.43 |
| Virginia | 2.18 |
| Maryland | 2.17 |
| Hawaii | 2.15 |
| Utah | 1.53 |
| Rhode Island | 1.48 |
| North Dakota | 1.47 |
| Vermont | 1.32 |
| Alaska | 1.28 |
| Iowa | 1.22 |
| Colorado | 0.87 |
| Missouri | 0.77 |
| New Hampshire | 0.77 |
| Florida | 0.71 |
| Idaho | 0.67 |
| Georgia | 0.65 |
| District of Columbia | 0.26 |