47 visiting now: 41 USA 
5 Singapore 
4 Russia 
2 UK 
2 Finland 
1 Germany 
1 China 
1 France 
5 Singapore 4 Russia 2 UK 2 Finland 1 Germany 1 China 1 France 5 Singapore 4 Russia 2 UK 2 Finland 1 Germany 1 China 1 France