78 visiting now: 40 USA 
12 Singapore 
6 Canada 
6 UK 
5 China 
3 Belgium 
2 Germany 
2 Brazil 
1 Pakistan 
1 Russia 
1 Ecuador 
1 Vietnam 
1 Spain 
1 Iran 
1 Sweden 
1 Japan 
12 Singapore 6 Canada 6 UK 5 China 3 Belgium 2 Germany 2 Brazil 1 Pakistan 1 Russia 1 Ecuador 1 Vietnam 1 Spain 1 Iran 1 Sweden 1 Japan