45 visiting now: 30 USA 
5 India 
4 Vietnam 
3 UK 
3 China 
2 Ukraine 
1 Nigeria 
1 Poland 
1 Germany 
5 India 4 Vietnam 3 UK 3 China 2 Ukraine 1 Nigeria 1 Poland 1 Germany 5 India 4 Vietnam 3 UK 3 China 2 Ukraine 1 Nigeria 1 Poland 1 Germany