46 visiting now: 20 USA 
6 Singapore 
4 Russia 
2 UK 
2 France 
2 China 
2 Hong Kong 
2 Germany 
2 India 
1 Brazil 
1 Pakistan 
1 Spain 
1 Philippines 
6 Singapore 4 Russia 2 UK 2 France 2 China 2 Hong Kong 2 Germany 2 India 1 Brazil 1 Pakistan 1 Spain 1 Philippines