52 visiting now: 27 USA 
10 Singapore 
3 UK 
2 Bangladesh 
2 Turkey 
2 Belgium 
2 Brazil 
2 China 
1 Argentina 
1 Vietnam 
1 France 
1 Germany 
1 Japan 
1 Pakistan 
1 Canada 
1 Uzbekistan 
1 Russia 
10 Singapore 3 UK 2 Bangladesh 2 Turkey 2 Belgium 2 Brazil 2 China 1 Argentina 1 Vietnam 1 France 1 Germany 1 Japan 1 Pakistan 1 Canada 1 Uzbekistan 1 Russia