47 visiting now: 29 USA 
8 Singapore 
3 China 
2 Canada 
2 UK 
2 Ukraine 
2 Germany 
1 Finland 
1 India 
8 Singapore 3 China 2 Canada 2 UK 2 Ukraine 2 Germany 1 Finland 1 India 8 Singapore 3 China 2 Canada 2 UK 2 Ukraine 2 Germany 1 Finland 1 India