36 visiting now: 11 USA 
8 Singapore 
6 China 
4 France 
2 Netherlands 
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1 Venezuela 
1 Germany 
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8 Singapore 6 China 4 France 2 Netherlands 2 Belgium 1 Venezuela 1 Germany 1 Tunisia 8 Singapore 6 China 4 France 2 Netherlands 2 Belgium 1 Venezuela 1 Germany 1 Tunisia