69 visiting now: 34 Belgium 
13 USA 
10 China 
3 Vietnam 
2 Germany 
2 Russia 
2 UK 
1 Brazil 
1 Hong Kong 
1 Colombia 
13 USA 10 China 3 Vietnam 2 Germany 2 Russia 2 UK 1 Brazil 1 Hong Kong 1 Colombia 13 USA 10 China 3 Vietnam 2 Germany 2 Russia 2 UK 1 Brazil 1 Hong Kong 1 Colombia