| Illinois | 10.81 |
| Pennsylvania | 10.70 |
| New York | 6.41 |
| Massachusetts | 6.37 |
| New Jersey | 6.25 |
| California | 4.69 |
| South Carolina | 4.09 |
| Texas | 3.53 |
| Wisconsin | 3.36 |
| North Carolina | 3.34 |
| New Hampshire | 3.19 |
| Colorado | 3.12 |
| Washington | 2.79 |
| Michigan | 2.62 |
| Ohio | 2.55 |
| Florida | 2.41 |
| Georgia | 2.18 |
| Minnesota | 2.02 |
| Kentucky | 1.71 |
| Alabama | 1.61 |
| Missouri | 1.45 |
| Connecticut | 1.33 |
| New Mexico | 1.31 |
| Puerto Rico | 1.29 |
| Iowa | 1.21 |
| Maryland | 1.05 |
| Montana | 1.04 |
| Indiana | 0.93 |
| Oregon | 0.78 |
| Hawaii | 0.72 |
| Oklahoma | 0.72 |
| West Virginia | 0.67 |
| Arizona | 0.62 |
| Vermont | 0.49 |
| North Dakota | 0.41 |
| Rhode Island | 0.40 |
| Virginia | 0.39 |
| Idaho | 0.29 |
| Mississippi | 0.26 |
| District of Columbia | 0.24 |
| Maine | 0.15 |
| Arkansas | 0.13 |
| Delaware | 0.12 |
| Other | 0.25 |