110 visiting now: 58 Belgium 
35 China 
10 USA 
2 Germany 
1 Japan 
1 Pakistan 
1 Russia 
1 Hong Kong 
1 Singapore 
35 China 10 USA 2 Germany 1 Japan 1 Pakistan 1 Russia 1 Hong Kong 1 Singapore 35 China 10 USA 2 Germany 1 Japan 1 Pakistan 1 Russia 1 Hong Kong 1 Singapore