59 visiting now: 37 USA 
6 Singapore 
4 India 
4 Australia 
3 Canada 
3 China 
3 Ukraine 
1 Russia 
1 Brazil 
1 Turkey 
1 UK 
1 Germany 
6 Singapore 4 India 4 Australia 3 Canada 3 China 3 Ukraine 1 Russia 1 Brazil 1 Turkey 1 UK 1 Germany