| Under 7.5% |
Alabama, Connecticut, District of Columbia, Hawaii, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New York, Ohio, Oklahoma, Pennsylvania, Vermont, Virginia, Washington, West Virginia, Wisconsin |
| 7.5-10% |
Arkansas, Delaware, Idaho, Kentucky, North Carolina, North Dakota, Rhode Island, Tennessee, Utah, Wyoming |
| 10.1-12% |
California, Georgia, Kansas, Louisiana, Montana, Nebraska, New Jersey, Oregon, South Dakota |
| 12.1-21% |
Alaska, Arizona, Colorado, Florida, Mississippi, Nevada, New Mexico, South Carolina, Texas |