53 visiting now: 26 USA 
8 Singapore 
5 Vietnam 
3 China 
2 Brazil 
2 Canada 
1 Turkey 
1 France 
1 UK 
1 Germany 
1 Indonesia 
1 Saudi Arabia 
1 Egypt 
1 Finland 
1 Australia 
8 Singapore 5 Vietnam 3 China 2 Brazil 2 Canada 1 Turkey 1 France 1 UK 1 Germany 1 Indonesia 1 Saudi Arabia 1 Egypt 1 Finland 1 Australia