72 visiting now: 32 USA 
10 Brazil 
9 Singapore 
5 Belgium 
5 Canada 
4 China 
3 UK 
2 Germany 
2 Vietnam 
1 Uzbekistan 
1 India 
1 Mexico 
1 Costa Rica 
10 Brazil 9 Singapore 5 Belgium 5 Canada 4 China 3 UK 2 Germany 2 Vietnam 1 Uzbekistan 1 India 1 Mexico 1 Costa Rica