61 visiting now: 33 USA 
9 Singapore 
8 China 
4 France 
3 UK 
2 Canada 
1 Germany 
1 New Zealand 
1 Russia 
1 Czech Republic 
1 Finland 
9 Singapore 8 China 4 France 3 UK 2 Canada 1 Germany 1 New Zealand 1 Russia 1 Czech Republic 1 Finland