78 visiting now: 57 Belgium 
6 USA 
5 Russia 
4 China 
2 India 
1 Portugal 
1 Vietnam 
1 Germany 
1 Singapore 
6 USA 5 Russia 4 China 2 India 1 Portugal 1 Vietnam 1 Germany 1 Singapore 6 USA 5 Russia 4 China 2 India 1 Portugal 1 Vietnam 1 Germany 1 Singapore