| Alabama | 0.4 |
| Alaska | 0.5 |
| Arizona | 0.1 |
| Arkansas | 0 |
| California | 0.2 |
| Colorado | 0 |
| Connecticut | 44.9 |
| Delaware | 37.6 |
| District of Columbia | 8.9 |
| Florida | 0.5 |
| Georgia | 0.1 |
| Hawaii | 0 |
| Idaho | 0.4 |
|
| Illinois | 2 |
| Indiana | 1.7 |
| Iowa | 3.4 |
| Kansas | 0.4 |
| Kentucky | 0.3 |
| Louisiana | 0 |
| Maine | 83 |
| Maryland | 19.3 |
| Massachusetts | 33.1 |
| Michigan | 1.3 |
| Minnesota | 20.5 |
| Mississippi | 0.1 |
| Missouri | 0.1 |
|
| Montana | 0.6 |
| Nebraska | 0.4 |
| Nevada | 0.1 |
| New Hampshire | 43.8 |
| New Jersey | 36.7 |
| New Mexico | 0 |
| New York | 14.7 |
| North Carolina | 0.3 |
| North Dakota | 1.1 |
| Ohio | 0.9 |
| Oklahoma | 0 |
| Oregon | 0.2 |
| Pennsylvania | 59.4 |
|
| Rhode Island | 52.7 |
| South Carolina | 0.4 |
| South Dakota | 0.6 |
| Tennessee | 0.1 |
| Texas | 0.1 |
| Utah | 0.2 |
| Vermont | 75.7 |
| Virginia | 12.1 |
| Washington | 0.2 |
| West Virginia | 11.8 |
| Wisconsin | 22 |
| Wyoming | 0.2 |
| U.S. Incidence | 8.3 |
|