| North-Central U.S.A. | Illinois, Kansas, Missouri, Oklahoma |
| Northeastern U.S.A. | Indiana, Ohio, West Virginia |
| Southwestern U.S.A. | Arizona |
| South-Central U.S.A. | New Mexico, Texas |
| Southeastern U.S.A. | Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia |