63 visiting now: 35 USA 
10 Singapore 
6 India 
5 Russia 
3 Ukraine 
2 China 
2 Poland 
1 Belgium 
1 UK 
1 Japan 
1 New Zealand 
1 Finland 
1 Germany 
1 Hong Kong 
1 Australia 
10 Singapore 6 India 5 Russia 3 Ukraine 2 China 2 Poland 1 Belgium 1 UK 1 Japan 1 New Zealand 1 Finland 1 Germany 1 Hong Kong 1 Australia