| California | 24.11 |
| New York | 12.53 |
| Massachusetts | 7.45 |
| Illinois | 4.73 |
| Pennsylvania | 4.46 |
| Washington | 4.36 |
| Indiana | 3.97 |
| Texas | 3.51 |
| District of Columbia | 2.96 |
| Virginia | 2.95 |
| Connecticut | 2.31 |
| Michigan | 2.22 |
| Oregon | 2.12 |
| Colorado | 1.89 |
| New Jersey | 1.69 |
| Georgia | 1.64 |
| Missouri | 1.59 |
| Ohio | 1.50 |
| Arizona | 1.44 |
| Florida | 1.38 |
| New Hampshire | 1.28 |
| Alabama | 1.25 |
| Utah | 1.23 |
| Alaska | 0.81 |
| Maryland | 0.79 |
| Iowa | 0.75 |
| Wisconsin | 0.66 |
| South Carolina | 0.62 |
| Hawaii | 0.47 |
| Vermont | 0.46 |
| Kentucky | 0.45 |
| Minnesota | 0.42 |
| Kansas | 0.40 |
| Nebraska | 0.38 |
| North Dakota | 0.35 |
| Maine | 0.35 |
| Idaho | 0.24 |
| Rhode Island | 0.15 |
| New Mexico | 0.13 |