49 visiting now: 26 USA 
9 Singapore 
6 China 
4 UK 
2 Australia 
1 Germany 
1 India 
1 Poland 
1 Finland 
9 Singapore 6 China 4 UK 2 Australia 1 Germany 1 India 1 Poland 1 Finland 9 Singapore 6 China 4 UK 2 Australia 1 Germany 1 India 1 Poland 1 Finland