53 visiting now: 35 USA 
20 Canada 
2 China 
1 France 
1 New Zealand 
1 Argentina 
1 Singapore 
1 Brazil 
1 UK 
20 Canada 2 China 1 France 1 New Zealand 1 Argentina 1 Singapore 1 Brazil 1 UK 20 Canada 2 China 1 France 1 New Zealand 1 Argentina 1 Singapore 1 Brazil 1 UK