58 visiting now: 35 USA 
14 Canada 
5 Singapore 
4 China 
2 Australia 
1 Japan 
1 Spain 
1 UK 
14 Canada 5 Singapore 4 China 2 Australia 1 Japan 1 Spain 1 UK 14 Canada 5 Singapore 4 China 2 Australia 1 Japan 1 Spain 1 UK