45 visiting now: 35 USA 
8 Singapore 
3 Canada 
2 Germany 
2 UK 
1 China 
1 Hong Kong 
1 Iran 
8 Singapore 3 Canada 2 Germany 2 UK 1 China 1 Hong Kong 1 Iran 8 Singapore 3 Canada 2 Germany 2 UK 1 China 1 Hong Kong 1 Iran