45 visiting now: 33 USA 
5 Canada 
3 China 
2 India 
2 UK 
1 Ireland 
1 Nigeria 
1 Brazil 
1 Russia 
5 Canada 3 China 2 India 2 UK 1 Ireland 1 Nigeria 1 Brazil 1 Russia 5 Canada 3 China 2 India 2 UK 1 Ireland 1 Nigeria 1 Brazil 1 Russia