50 visiting now: 22 USA 
8 India 
7 Singapore 
4 Vietnam 
3 Australia 
2 Ukraine 
2 Canada 
2 China 
2 UK 
8 India 7 Singapore 4 Vietnam 3 Australia 2 Ukraine 2 Canada 2 China 2 UK 8 India 7 Singapore 4 Vietnam 3 Australia 2 Ukraine 2 Canada 2 China 2 UK