58 visiting now: 31 USA 
7 Singapore 
5 Canada 
4 UK 
2 Belgium 
2 Hong Kong 
2 Iran 
2 China 
1 Germany 
1 Pakistan 
1 Brazil 
1 India 
1 Korea 
1 Ecuador 
1 Lithuania 
7 Singapore 5 Canada 4 UK 2 Belgium 2 Hong Kong 2 Iran 2 China 1 Germany 1 Pakistan 1 Brazil 1 India 1 Korea 1 Ecuador 1 Lithuania