47 visiting now: 31 USA 
3 France 
2 UK 
2 India 
2 Canada 
2 Singapore 
2 China 
1 Taiwan 
1 Germany 
1 Argentina 
1 Ukraine 
1 Australia 
1 Russia 
1 Vietnam 
3 France 2 UK 2 India 2 Canada 2 Singapore 2 China 1 Taiwan 1 Germany 1 Argentina 1 Ukraine 1 Australia 1 Russia 1 Vietnam