104 visiting now: 67 Belgium 
11 China 
10 USA 
5 Singapore 
3 Russia 
2 Germany 
2 India 
1 UK 
1 Netherlands 
1 Spain 
1 Brazil 
11 China 10 USA 5 Singapore 3 Russia 2 Germany 2 India 1 UK 1 Netherlands 1 Spain 1 Brazil