| | Mountain (4) Arizona, Colorado, Idaho, Montana, Nevada, New Mexico, Utah, Wyoming
| | | NewEngland (7) Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont
| | | | Pacific (11) Alaska, California, Hawaii, Oregon, Washington
| | | SouthAtlantic (24) Delaware, District of Columbia, Florida, Georgia, Maryland, North Carolina, South Carolina, Virginia, West Virginia
| | | WestNorthCentral (8) Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota
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