43 visiting now: 26 USA 
4 Germany 
3 China 
2 Brazil 
2 France 
1 Iraq 
1 Canada 
1 Japan 
1 Panama 
1 Singapore 
1 Sweden 
1 India 
4 Germany 3 China 2 Brazil 2 France 1 Iraq 1 Canada 1 Japan 1 Panama 1 Singapore 1 Sweden 1 India