53 visiting now: 34 USA 
19 Canada 
2 Argentina 
2 China 
1 France 
1 Singapore 
1 UK 
1 Brazil 
19 Canada 2 Argentina 2 China 1 France 1 Singapore 1 UK 1 Brazil 19 Canada 2 Argentina 2 China 1 France 1 Singapore 1 UK 1 Brazil