44 visiting now: 31 USA 
9 Canada 
3 China 
1 Norway 
1 Switzerland 
1 UK 
1 Australia 
1 Vietnam 
9 Canada 3 China 1 Norway 1 Switzerland 1 UK 1 Australia 1 Vietnam 9 Canada 3 China 1 Norway 1 Switzerland 1 UK 1 Australia 1 Vietnam