66 visiting now: 33 USA 
7 Ukraine 
5 Singapore 
4 Canada 
3 UK 
3 Australia 
2 India 
2 Brazil 
2 Pakistan 
1 South Africa 
1 Iraq 
1 China 
1 Portugal 
1 Germany 
1 Russia 
1 Hong Kong 
7 Ukraine 5 Singapore 4 Canada 3 UK 3 Australia 2 India 2 Brazil 2 Pakistan 1 South Africa 1 Iraq 1 China 1 Portugal 1 Germany 1 Russia 1 Hong Kong