117 visiting now: 62 Belgium 
23 China 
11 USA 
4 India 
3 Russia 
3 Latvia 
3 Canada 
2 Singapore 
2 Netherlands 
1 Switzerland 
1 UK 
1 Germany 
1 Pakistan 
23 China 11 USA 4 India 3 Russia 3 Latvia 3 Canada 2 Singapore 2 Netherlands 1 Switzerland 1 UK 1 Germany 1 Pakistan