71 visiting now: 34 USA 
9 China 
7 Brazil 
3 UK 
3 Russia 
2 Singapore 
2 Germany 
2 France 
2 Netherlands 
1 Hong Kong 
1 India 
1 Bangladesh 
1 Vietnam 
1 Italy 
1 Taiwan 
1 Canada 
9 China 7 Brazil 3 UK 3 Russia 2 Singapore 2 Germany 2 France 2 Netherlands 1 Hong Kong 1 India 1 Bangladesh 1 Vietnam 1 Italy 1 Taiwan 1 Canada