87 visiting now: 59 Belgium 
7 USA 
5 China 
4 Brazil 
4 Vietnam 
3 India 
1 Sweden 
1 Australia 
1 Germany 
1 UK 
1 Russia 
7 USA 5 China 4 Brazil 4 Vietnam 3 India 1 Sweden 1 Australia 1 Germany 1 UK 1 Russia