49 visiting now: 30 USA 
9 Singapore 
3 Canada 
2 UK 
2 Hong Kong 
2 Russia 
2 Australia 
1 Sweden 
1 Finland 
1 Turkey 
1 Germany 
1 Argentina 
9 Singapore 3 Canada 2 UK 2 Hong Kong 2 Russia 2 Australia 1 Sweden 1 Finland 1 Turkey 1 Germany 1 Argentina