60 visiting now: 26 USA 
12 China 
6 India 
4 UK 
3 Netherlands 
2 Singapore 
2 Brazil 
1 Denmark 
1 Russia 
1 Canada 
1 Hong Kong 
1 Germany 
12 China 6 India 4 UK 3 Netherlands 2 Singapore 2 Brazil 1 Denmark 1 Russia 1 Canada 1 Hong Kong 1 Germany