80 visiting now: 27 USA 
13 Singapore 
6 India 
6 Ukraine 
5 Australia 
4 Germany 
3 France 
3 Brazil 
2 Vietnam 
2 Canada 
2 China 
2 Argentina 
2 Finland 
1 Serbia 
1 Azerbaijan 
1 UK 
1 Indonesia 
1 Korea 
13 Singapore 6 India 6 Ukraine 5 Australia 4 Germany 3 France 3 Brazil 2 Vietnam 2 Canada 2 China 2 Argentina 2 Finland 1 Serbia 1 Azerbaijan 1 UK 1 Indonesia 1 Korea