59 visiting now: 32 USA 
10 Singapore 
9 China 
4 Canada 
2 UK 
2 France 
2 Germany 
2 Hong Kong 
1 Zimbabwe 
10 Singapore 9 China 4 Canada 2 UK 2 France 2 Germany 2 Hong Kong 1 Zimbabwe 10 Singapore 9 China 4 Canada 2 UK 2 France 2 Germany 2 Hong Kong 1 Zimbabwe