48 visiting now: 30 USA 
6 Singapore 
6 Russia 
4 UK 
2 Ukraine 
2 Canada 
2 China 
1 Finland 
1 India 
1 Ireland 
1 Australia 
1 Poland 
6 Singapore 6 Russia 4 UK 2 Ukraine 2 Canada 2 China 1 Finland 1 India 1 Ireland 1 Australia 1 Poland