| State | Parts |
| Alabama | 4 |
| Alaska | 3 |
| Arizona | 4 |
| Arkansas | 4 |
| California | 4 |
| Colorado | 4 |
| Connecticut | 4 |
| Delaware | 4 |
| District of Columbia | 4 |
| Florida | 3 |
| Georgia | 4 |
| Hawaii | 4 |
| Idaho | 3 |
| Illinois | 4 |
| Indiana | 4 |
| Iowa | 4 |
| Kansas | 4 |
| Kentucky | 4 |
| Louisiana | 4 |
| Maine | 4 |
| Maryland | 4 |
| Massachusetts | 4 |
| Michigan | 4 |
| Minnesota | 4 |
| Mississippi | 4 |
| Missouri | 4 |
| Montana | 4 |
| Nebraska | 5 |
| Nevada | 3 |
| New Hampshire | 3 |
| New Jersey | 3 |
| New Mexico | 4 |
| New York | 4 |
| North Carolina | 4 |
| North Dakota | 4 |
| Ohio | 4 |
| Oklahoma | 4 |
| Oregon | 4 |
| Pennsylvania | 4 |
| Rhode Island | 3 |
| South Carolina | 4 |
| South Dakota | 3 |
| Tennessee | 3 |
| Texas | 3 |
| Utah | 4 |
| Vermont | 4 |
| Virginia | 4 |
| Washington | 3 |
| West Virginia | 3 |
| Wisconsin | 4 |
| Wyoming | 3 |
