| Pennsylvania | 8.58 |
| New York | 8.40 |
| Illinois | 7.48 |
| California | 7.05 |
| Texas | 5.87 |
| Florida | 4.48 |
| Georgia | 4.27 |
| Arizona | 3.96 |
| Alabama | 3.93 |
| Colorado | 3.68 |
| New Jersey | 3.47 |
| Washington | 3.06 |
| Virginia | 2.82 |
| Maryland | 2.22 |
| District of Columbia | 2.21 |
| Ohio | 1.97 |
| Kentucky | 1.90 |
| Connecticut | 1.84 |
| Wisconsin | 1.76 |
| Massachusetts | 1.69 |
| Arkansas | 1.68 |
| Indiana | 1.60 |
| Hawaii | 1.58 |
| South Carolina | 1.42 |
| Oklahoma | 1.29 |
| Louisiana | 1.26 |
| Missouri | 0.87 |
| North Carolina | 0.83 |
| Puerto Rico | 0.81 |
| West Virginia | 0.81 |
| Oregon | 0.81 |
| Iowa | 0.77 |
| New Mexico | 0.67 |
| Tennessee | 0.61 |
| Michigan | 0.60 |
| Maine | 0.59 |
| New Hampshire | 0.55 |
| Utah | 0.43 |
| Montana | 0.40 |
| Minnesota | 0.25 |
| Vermont | 0.25 |
| Delaware | 0.21 |
| Rhode Island | 0.19 |
| Mississippi | 0.14 |
| Nevada | 0.05 |
| Nebraska | 0.05 |
| Other | 0.61 |