49 visiting now: 30 USA 
6 UK 
4 India 
3 France 
3 Australia 
2 Brazil 
2 Canada 
1 Singapore 
1 China 
1 South Africa 
1 Algeria 
1 Germany 
1 Ukraine 
1 New Zealand 
6 UK 4 India 3 France 3 Australia 2 Brazil 2 Canada 1 Singapore 1 China 1 South Africa 1 Algeria 1 Germany 1 Ukraine 1 New Zealand