109 visiting now: 53 USA 
29 China 
4 UK 
4 Netherlands 
2 Singapore 
2 Germany 
2 Bangladesh 
2 France 
2 Canada 
2 Russia 
1 India 
1 Pakistan 
1 Ukraine 
1 Nigeria 
1 Romania 
1 Indonesia 
1 Norway 
29 China 4 UK 4 Netherlands 2 Singapore 2 Germany 2 Bangladesh 2 France 2 Canada 2 Russia 1 India 1 Pakistan 1 Ukraine 1 Nigeria 1 Romania 1 Indonesia 1 Norway