48 visiting now: 27 USA 
7 Singapore 
3 Belgium 
3 Brazil 
2 UK 
2 Canada 
1 Poland 
1 Russia 
1 China 
1 Tanzania 
1 Germany 
1 Argentina 
1 Thailand 
1 Hong Kong 
7 Singapore 3 Belgium 3 Brazil 2 UK 2 Canada 1 Poland 1 Russia 1 China 1 Tanzania 1 Germany 1 Argentina 1 Thailand 1 Hong Kong