Region
United States
370
Colorado
29
Arizona
8
California
8
New Mexico
8
Utah
8
Wyoming
8
Montana
7
New York (State)
6
West (U.S.)
3
Alaska
2
Developing countries
2
Middle West
2
Nevada
2
Northeastern States
2
Puerto Rico
2
Southern States
2
Brazil
1
Caribbean Area
1
Latin America
1
Massachusetts
1
New Hampshire
1
Philippines
1
Washington (D.C.)
1