72 visiting now: 60 USA 
5 Singapore 
3 France 
2 UK 
2 Hong Kong 
2 Russia 
1 India 
1 Iran 
1 China 
1 Germany 
5 Singapore 3 France 2 UK 2 Hong Kong 2 Russia 1 India 1 Iran 1 China 1 Germany 5 Singapore 3 France 2 UK 2 Hong Kong 2 Russia 1 India 1 Iran 1 China 1 Germany