43 visiting now: 29 USA 
4 Germany 
4 Canada 
2 China 
2 France 
2 UK 
1 Oman 
1 Singapore 
1 Hong Kong 
1 Austria 
1 New Zealand 
4 Germany 4 Canada 2 China 2 France 2 UK 1 Oman 1 Singapore 1 Hong Kong 1 Austria 1 New Zealand