60 visiting now: 31 USA 
8 Singapore 
6 India 
6 China 
3 Canada 
3 France 
2 Australia 
1 Finland 
1 UK 
1 Germany 
1 Hong Kong 
8 Singapore 6 India 6 China 3 Canada 3 France 2 Australia 1 Finland 1 UK 1 Germany 1 Hong Kong