49 visiting now: 27 USA 
6 Singapore 
4 Canada 
3 UK 
3 Australia 
3 China 
2 Germany 
1 India 
1 Indonesia 
1 Korea 
1 Russia 
1 Finland 
1 Argentina 
6 Singapore 4 Canada 3 UK 3 Australia 3 China 2 Germany 1 India 1 Indonesia 1 Korea 1 Russia 1 Finland 1 Argentina