Region 1:
United States: Connecticut, Maine, Massachusetts, New York, New Jersey, New Hampshire, Rhode Island, Vermont, Pennsylvania, Puerto Rico
Canada: Ontario, Prince Edward Island, Quebec, New Brunswick, Newfoundland, Nova Scotia
Caribbean
Region 2:
United States: Alabama, Delaware, District of Columbia, Florida, Georgia, Kentucky, Maryland, North Carolina, South Carolina, Tennessee, Virginia, West Virginia
Hong Kong
Japan
United Kingdom
Region 3:
United States: Colorado, Kansas, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas
Canada: Manitoba, Saskatchewan
Belgium
Chile
Finland
Israel
Italy
Region 4:
United States: Arkansas, Illinois, Indiana, Iowa, Louisiana, Michigan, Minnesota, Mississippi, Missouri, Ohio, Wisconsin
Austria
France
Germany
Spain
Switzerland
Region 5:
United States: Alaska, Arizona, California, Hawaii, Idaho, Montana, Nevada, Oregon, Utah, Washington
Canada: Alberta, British Columbia
Australia
New Zealand
South Africa