55 visiting now: 28 USA 
6 Singapore 
6 India 
4 Vietnam 
3 Russia 
3 China 
3 Ukraine 
2 Canada 
2 UK 
2 Australia 
1 Korea 
1 Hong Kong 
1 Iraq 
6 Singapore 6 India 4 Vietnam 3 Russia 3 China 3 Ukraine 2 Canada 2 UK 2 Australia 1 Korea 1 Hong Kong 1 Iraq