| California | 17.57 |
| New York | 9.27 |
| Texas | 8.44 |
| Pennsylvania | 7.39 |
| Massachusetts | 5.71 |
| Wisconsin | 4.57 |
| New Jersey | 4.13 |
| Indiana | 3.84 |
| Arizona | 3.31 |
| Connecticut | 2.92 |
| Washington | 2.72 |
| Colorado | 2.44 |
| Ohio | 2.32 |
| Virginia | 2.30 |
| Illinois | 2.24 |
| Michigan | 2.11 |
| Oregon | 1.95 |
| Iowa | 1.55 |
| District of Columbia | 1.46 |
| Rhode Island | 1.37 |
| Kansas | 1.35 |
| Maryland | 1.25 |
| Oklahoma | 1.10 |
| Kentucky | 1.01 |
| Georgia | 0.95 |
| Utah | 0.92 |
| Idaho | 0.83 |
| Minnesota | 0.71 |
| Hawaii | 0.51 |
| Missouri | 0.51 |
| Vermont | 0.47 |
| New Hampshire | 0.45 |
| Alaska | 0.43 |
| North Dakota | 0.41 |
| Louisiana | 0.32 |
| Tennessee | 0.30 |
| Mississippi | 0.28 |
| New Mexico | 0.26 |
| South Carolina | 0.22 |
| North Carolina | 0.13 |