Region 1 (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island and Vermont)

Region 2 (New Jersey, New York, Puerto Rico and the U.S. Virgin Islands)

Region 3 (Delaware, Maryland, Pennsylvania, Virginia, West Virginia and the District of Columbia)

Region 4 (Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina and Tennessee)

Region 5 (Illinois, Indiana, Michigan, Minnesota, Ohio and Wisconsin)  

Region 6 (Arkansas, Louisiana, New Mexico, Oklahoma and Texas)

Region 7 (Iowa, Kansas, Missouri and Nebraska)