60 visiting now: 27 USA 
9 Singapore 
9 France 
8 Belgium 
5 China 
2 Russia 
1 Germany 
1 UK 
1 Hong Kong 
1 Japan 
1 Bolivia 
1 South Africa 
9 Singapore 9 France 8 Belgium 5 China 2 Russia 1 Germany 1 UK 1 Hong Kong 1 Japan 1 Bolivia 1 South Africa