42 visiting now: 27 USA 
8 Singapore 
3 Russia 
2 Brazil 
1 Germany 
1 Argentina 
1 Uzbekistan 
1 Poland 
1 Belgium 
1 Canada 
1 UK 
1 China 
8 Singapore 3 Russia 2 Brazil 1 Germany 1 Argentina 1 Uzbekistan 1 Poland 1 Belgium 1 Canada 1 UK 1 China