65 visiting now: 57 USA 
6 Singapore 
1 Australia 
1 UK 
1 China 
1 France 
1 Ireland 
1 Russia 
6 Singapore 1 Australia 1 UK 1 China 1 France 1 Ireland 1 Russia 6 Singapore 1 Australia 1 UK 1 China 1 France 1 Ireland 1 Russia