Region
United States
216
Russia (Federation)
7
Europe
4
China
3
Washington (D.C.)
3
Africa
2
Canada
2
Developing countries
2
États-Unis
2
Former Soviet republics
2
Germany
2
Indonesia
2
West (U.S.)
2
Afghanistan
1
Alaska
1
California
1
Crimea (Ukraine)
1
Cuba
1
Europe, Eastern
1
India
1
Iraq
1
Kanada
1
Liberia
1
Milwaukee County
1
Nigeria
1
OECD countries
1
Peru
1
Portugal
1
Rusland
1
Russia
1
Spain
1
Ukraine
1
Wisconsin
1