62 visiting now: 34 USA 
9 Singapore 
8 China 
5 Germany 
2 India 
2 Canada 
1 Finland 
1 Bulgaria 
1 Italy 
9 Singapore 8 China 5 Germany 2 India 2 Canada 1 Finland 1 Bulgaria 1 Italy 9 Singapore 8 China 5 Germany 2 India 2 Canada 1 Finland 1 Bulgaria 1 Italy