55 visiting now: 20 USA 
7 Singapore 
7 UK 
7 India 
4 Ukraine 
3 Canada 
2 Japan 
2 Brazil 
2 Vietnam 
1 Philippines 
1 China 
1 Germany 
1 Argentina 
1 Australia 
7 Singapore 7 UK 7 India 4 Ukraine 3 Canada 2 Japan 2 Brazil 2 Vietnam 1 Philippines 1 China 1 Germany 1 Argentina 1 Australia