36 visiting now: 13 USA 
7 Belgium 
5 Canada 
2 Germany 
2 India 
2 Poland 
2 UK 
1 Hong Kong 
1 Brazil 
1 China 
1 Singapore 
1 Finland 
7 Belgium 5 Canada 2 Germany 2 India 2 Poland 2 UK 1 Hong Kong 1 Brazil 1 China 1 Singapore 1 Finland