51 visiting now: 25 USA 
17 Belgium 
8 Canada 
4 UK 
1 China 
1 New Zealand 
1 Russia 
1 Singapore 
17 Belgium 8 Canada 4 UK 1 China 1 New Zealand 1 Russia 1 Singapore 17 Belgium 8 Canada 4 UK 1 China 1 New Zealand 1 Russia 1 Singapore