57 visiting now: 29 USA 
12 China 
7 Singapore 
4 France 
2 UK 
1 Germany 
1 India 
1 Canada 
1 Ireland 
1 Finland 
12 China 7 Singapore 4 France 2 UK 1 Germany 1 India 1 Canada 1 Ireland 1 Finland 12 China 7 Singapore 4 France 2 UK 1 Germany 1 India 1 Canada 1 Ireland 1 Finland