51 visiting now: 25 USA 
9 China 
9 Singapore 
5 Canada 
2 Hong Kong 
1 France 
1 Korea 
1 UK 
9 China 9 Singapore 5 Canada 2 Hong Kong 1 France 1 Korea 1 UK 9 China 9 Singapore 5 Canada 2 Hong Kong 1 France 1 Korea 1 UK