| California | 19.46 |
| Texas | 16.16 |
| New York | 8.47 |
| Massachusetts | 5.60 |
| Arizona | 4.78 |
| Pennsylvania | 3.60 |
| Washington | 3.49 |
| Colorado | 3.49 |
| Indiana | 3.45 |
| Ohio | 3.26 |
| Wisconsin | 3.17 |
| Illinois | 2.46 |
| Maryland | 2.36 |
| Connecticut | 2.27 |
| Michigan | 1.95 |
| Kansas | 1.74 |
| Minnesota | 1.55 |
| Virginia | 1.46 |
| Hawaii | 1.43 |
| Rhode Island | 1.28 |
| North Dakota | 0.99 |
| Missouri | 0.99 |
| Utah | 0.94 |
| Alaska | 0.87 |
| Iowa | 0.84 |
| Vermont | 0.81 |
| Mississippi | 0.57 |
| Louisiana | 0.52 |
| District of Columbia | 0.44 |
| Idaho | 0.44 |
| Oklahoma | 0.37 |
| New Jersey | 0.29 |
| Georgia | 0.28 |
| North Carolina | 0.26 |