| California | 16.55 |
| New York | 11.83 |
| Texas | 11.33 |
| Pennsylvania | 7.22 |
| Indiana | 5.52 |
| Massachusetts | 4.37 |
| Illinois | 4.23 |
| Wisconsin | 4.08 |
| Arizona | 3.77 |
| Ohio | 3.33 |
| Connecticut | 2.61 |
| Colorado | 2.41 |
| Washington | 2.40 |
| Michigan | 2.28 |
| Rhode Island | 1.82 |
| Kansas | 1.81 |
| Oregon | 1.79 |
| Maryland | 1.44 |
| Virginia | 1.17 |
| Minnesota | 1.02 |
| North Carolina | 0.78 |
| Missouri | 0.68 |
| Hawaii | 0.67 |
| North Dakota | 0.67 |
| Utah | 0.60 |
| Alaska | 0.59 |
| New Jersey | 0.58 |
| New Hampshire | 0.58 |
| Vermont | 0.57 |
| Iowa | 0.57 |
| Kentucky | 0.55 |
| Mississippi | 0.38 |
| New Mexico | 0.36 |
| Louisiana | 0.35 |
| Idaho | 0.30 |
| District of Columbia | 0.30 |
| Oklahoma | 0.26 |
| Georgia | 0.19 |