93 visiting now: 85 USA 
8 Russia 
8 Singapore 
6 UK 
1 Australia 
1 China 
1 Germany 
1 Ghana 
8 Russia 8 Singapore 6 UK 1 Australia 1 China 1 Germany 1 Ghana 8 Russia 8 Singapore 6 UK 1 Australia 1 China 1 Germany 1 Ghana