49 visiting now: 16 China 
12 Singapore 
8 USA 
3 Bangladesh 
2 Vietnam 
2 India 
2 Russia 
1 Germany 
1 Turkey 
1 Brazil 
1 Japan 
12 Singapore 8 USA 3 Bangladesh 2 Vietnam 2 India 2 Russia 1 Germany 1 Turkey 1 Brazil 1 Japan