43 visiting now: 24 USA 
7 Singapore 
4 UK 
4 Canada 
4 China 
1 Ukraine 
1 Germany 
1 Hong Kong 
7 Singapore 4 UK 4 Canada 4 China 1 Ukraine 1 Germany 1 Hong Kong 7 Singapore 4 UK 4 Canada 4 China 1 Ukraine 1 Germany 1 Hong Kong