United States

Region 1:Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New York, New Jersey, Pennsylvania, Delaware, Maryland, District of Columbia, Virginia, West Virginia.

Region 2:North Carolina, South Carolina, Georgia, Tennessee, Alabama, Mississippi, Arkansas, Louisiana, Florida.

Region 3:Ohio, Kentucky, Indiana, Michigan, Wisconsin, Illinois, Montana, Iowa, Minnesota, North Dakota, South Dakota, Nebraska.

Region 4:Kansas, Colorado, Oklahoma, New Mexico, Texas.

Region 5:Wyoming, Montana, Idaho, Oregon, Washington, Alaska.

Region 6:Utah, Arizona, Nevada, California.

Region 7