79 visiting now: 36 USA 
19 Canada 
10 Singapore 
3 Czech Republic 
3 Brazil 
3 China 
2 Algeria 
2 Germany 
1 Vietnam 
1 Saudi Arabia 
1 Australia 
1 Tunisia 
1 Mexico 
1 UK 
1 Nepal 
1 Peru 
19 Canada 10 Singapore 3 Czech Republic 3 Brazil 3 China 2 Algeria 2 Germany 1 Vietnam 1 Saudi Arabia 1 Australia 1 Tunisia 1 Mexico 1 UK 1 Nepal 1 Peru