49 visiting now: 33 USA 
8 Germany 
4 Canada 
2 China 
2 Iran 
2 UK 
1 Panama 
1 Bangladesh 
1 Singapore 
8 Germany 4 Canada 2 China 2 Iran 2 UK 1 Panama 1 Bangladesh 1 Singapore 8 Germany 4 Canada 2 China 2 Iran 2 UK 1 Panama 1 Bangladesh 1 Singapore