51 visiting now: 32 USA 
10 Singapore 
4 Hong Kong 
3 UK 
2 Canada 
2 Russia 
1 Ireland 
1 New Zealand 
1 China 
1 Germany 
1 Thailand 
1 India 
10 Singapore 4 Hong Kong 3 UK 2 Canada 2 Russia 1 Ireland 1 New Zealand 1 China 1 Germany 1 Thailand 1 India