80 visiting now: 66 USA 
5 Singapore 
4 France 
3 China 
3 Hong Kong 
2 India 
1 UK 
1 Germany 
5 Singapore 4 France 3 China 3 Hong Kong 2 India 1 UK 1 Germany 5 Singapore 4 France 3 China 3 Hong Kong 2 India 1 UK 1 Germany