19 visiting now: 8 USA 
4 Belgium 
2 China 
1 France 
1 Canada 
1 Iraq 
1 Thailand 
1 Germany 
4 Belgium 2 China 1 France 1 Canada 1 Iraq 1 Thailand 1 Germany 4 Belgium 2 China 1 France 1 Canada 1 Iraq 1 Thailand 1 Germany