110 visiting now: 42 Belgium 
35 China 
20 USA 
6 India 
2 Russia 
2 Singapore 
1 Iran 
1 Germany 
1 Hong Kong 
35 China 20 USA 6 India 2 Russia 2 Singapore 1 Iran 1 Germany 1 Hong Kong 35 China 20 USA 6 India 2 Russia 2 Singapore 1 Iran 1 Germany 1 Hong Kong