52 visiting now: 26 USA 
8 Singapore 
4 Canada 
3 Brazil 
3 Belgium 
2 China 
1 Spain 
1 India 
1 UK 
1 Italy 
1 Pakistan 
1 Qatar 
1 Germany 
1 Hong Kong 
1 Bermuda 
8 Singapore 4 Canada 3 Brazil 3 Belgium 2 China 1 Spain 1 India 1 UK 1 Italy 1 Pakistan 1 Qatar 1 Germany 1 Hong Kong 1 Bermuda