55 visiting now: 23 USA 
7 Singapore 
6 Canada 
4 UK 
4 China 
3 France 
2 Bangladesh 
2 Belgium 
1 Iraq 
1 Korea 
1 Nigeria 
1 Germany 
1 Oman 
1 Ghana 
1 Brazil 
1 Indonesia 
7 Singapore 6 Canada 4 UK 4 China 3 France 2 Bangladesh 2 Belgium 1 Iraq 1 Korea 1 Nigeria 1 Germany 1 Oman 1 Ghana 1 Brazil 1 Indonesia