77 visiting now: 35 USA 
9 China 
7 UK 
6 Brazil 
6 Netherlands 
4 India 
3 Bangladesh 
2 Germany 
2 France 
1 Turkey 
1 Taiwan 
1 Singapore 
9 China 7 UK 6 Brazil 6 Netherlands 4 India 3 Bangladesh 2 Germany 2 France 1 Turkey 1 Taiwan 1 Singapore