56 visiting now: 35 USA 
5 China 
4 UK 
3 France 
3 India 
2 Singapore 
2 Germany 
2 Brazil 
2 Canada 
1 Australia 
1 Bangladesh 
1 Turkey 
1 Ukraine 
1 Ireland 
1 Chile 
1 Mexico 
5 China 4 UK 3 France 3 India 2 Singapore 2 Germany 2 Brazil 2 Canada 1 Australia 1 Bangladesh 1 Turkey 1 Ukraine 1 Ireland 1 Chile 1 Mexico