| California | 21.94 |
| New York | 11.34 |
| Massachusetts | 7.61 |
| Washington | 5.08 |
| Pennsylvania | 4.70 |
| Indiana | 3.85 |
| Texas | 3.81 |
| Illinois | 3.66 |
| Oregon | 3.30 |
| District of Columbia | 2.81 |
| Michigan | 2.25 |
| Connecticut | 2.22 |
| Virginia | 2.13 |
| Ohio | 1.93 |
| Colorado | 1.83 |
| Utah | 1.69 |
| New Jersey | 1.66 |
| Rhode Island | 1.63 |
| Arizona | 1.59 |
| Georgia | 1.58 |
| Missouri | 1.53 |
| Florida | 1.36 |
| New Hampshire | 1.25 |
| New Mexico | 1.23 |
| Alabama | 1.19 |
| Maryland | 0.77 |
| Alaska | 0.76 |
| Iowa | 0.72 |
| Wisconsin | 0.64 |
| South Carolina | 0.59 |
| Hawaii | 0.45 |
| Kentucky | 0.43 |
| Vermont | 0.42 |
| Minnesota | 0.41 |
| Kansas | 0.39 |
| North Dakota | 0.35 |
| Nebraska | 0.35 |
| Maine | 0.33 |
| Idaho | 0.22 |