| Alaska |
Alaska |
| Midwest |
Arkansas, Illinois, Indiana, Iowa, Michigan, Minnesota, Missouri, Ohio, and Wisconsin |
| Northern Plains |
Idaho, Montana, Nebraska, North Dakota, South Dakota, and Wyoming |
| Northeast |
Connecticut, Delaware, the District of Columbia, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, and Vermont |
| Southern Plains |
Kansas, Oklahoma, and Texas |
| Southeast |
Alabama, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, and West Virginia |
| Southwest |
Arizona, Colorado, Nevada, New Mexico, and Utah |
| West |
California, Hawaii, Oregon, and Washington |