71 visiting now: 41 USA 
7 Singapore 
6 India 
4 Canada 
3 UK 
2 China 
2 Australia 
2 Ukraine 
1 Netherlands 
1 Costa Rica 
1 Germany 
1 Bolivia 
1 Hong Kong 
1 Brazil 
1 Vietnam 
7 Singapore 6 India 4 Canada 3 UK 2 China 2 Australia 2 Ukraine 1 Netherlands 1 Costa Rica 1 Germany 1 Bolivia 1 Hong Kong 1 Brazil 1 Vietnam