42 visiting now: 20 USA 
6 Brazil 
4 UK 
2 Germany 
2 Russia 
2 India 
2 China 
2 Netherlands 
1 Argentina 
1 France 
6 Brazil 4 UK 2 Germany 2 Russia 2 India 2 China 2 Netherlands 1 Argentina 1 France 6 Brazil 4 UK 2 Germany 2 Russia 2 India 2 China 2 Netherlands 1 Argentina 1 France