| California | 21.36 |
| Texas | 9.57 |
| New York | 6.88 |
| Pennsylvania | 6.32 |
| Illinois | 5.77 |
| Virginia | 4.54 |
| Michigan | 4.19 |
| Arizona | 3.82 |
| Washington | 3.06 |
| Colorado | 3.01 |
| Wisconsin | 2.53 |
| Connecticut | 2.31 |
| Maryland | 2.12 |
| South Carolina | 2.05 |
| Massachusetts | 2.03 |
| Missouri | 1.80 |
| Florida | 1.79 |
| New Hampshire | 1.57 |
| Georgia | 1.41 |
| New Jersey | 1.29 |
| Oklahoma | 1.23 |
| Alabama | 1.20 |
| District of Columbia | 0.99 |
| Ohio | 0.98 |
| Maine | 0.96 |
| Nebraska | 0.73 |
| Utah | 0.73 |
| New Mexico | 0.67 |
| North Dakota | 0.65 |
| Hawaii | 0.62 |
| North Carolina | 0.58 |
| Puerto Rico | 0.51 |
| Indiana | 0.41 |
| Oregon | 0.37 |
| Minnesota | 0.34 |
| Tennessee | 0.33 |
| Vermont | 0.22 |
| Louisiana | 0.17 |
| West Virginia | 0.05 |
| Other | 0.87 |