| Alabama |
13.7 |
| Alaska |
19.5 |
| Arizona |
22.4 |
| Arkansas |
16.4 |
| California |
18.6 |
| Colorado |
26.2 |
| Connecticut |
23.0 |
| Delaware |
18.6 |
| District of Columbia |
12.4 |
| Florida |
17.7 |
| Georgia |
13.7 |
| Hawaii |
19.5 |
| Idaho |
24.2 |
| Illinois |
18.8 |
| Indiana |
17.0 |
| Iowa |
22.3 |
| Kansas |
22.3 |
| Kentucky |
13.7 |
| Louisiana |
14.2 |
| Maine |
23.0 |
| Maryland |
22.9 |
| Massachusetts |
23.0 |
| Michigan |
15.2 |
| Minnesota |
27.1 |
| Mississippi |
6.9 |
|
| Missouri |
17.4 |
| Montana |
24.2 |
| Nebraska |
22.3 |
| Nevada |
24.2 |
| New Hampshire |
23.0 |
| New Jersey |
18.3 |
| New Mexico |
16.7 |
| New York |
16.7 |
| North Carolina |
21.6 |
| North Dakota |
22.3 |
| Ohio |
16.6 |
| Oklahoma |
14.1 |
| Oregon |
19.5 |
| Pennsylvania |
20.4 |
| Rhode Island |
23.0 |
| South Carolina |
19.6 |
| South Dakota |
22.3 |
| Tennessee |
17.1 |
| Texas |
18.3 |
| Utah |
28.0 |
| Vermont |
23.0 |
| Virginia |
23.8 |
| Washington |
24.4 |
| West Virginia |
18.6 |
| Wisconsin |
25.1 |
| Wyoming |
24.2 |
|