60 visiting now: 28 USA 
8 Singapore 
7 Canada 
4 China 
4 UK 
3 Germany 
2 Latvia 
2 Brazil 
2 Czech Republic 
1 Bangladesh 
1 Venezuela 
1 Peru 
1 Saudi Arabia 
1 Australia 
8 Singapore 7 Canada 4 China 4 UK 3 Germany 2 Latvia 2 Brazil 2 Czech Republic 1 Bangladesh 1 Venezuela 1 Peru 1 Saudi Arabia 1 Australia