45 visiting now: 26 USA 
8 Singapore 
4 China 
4 Germany 
3 Canada 
2 UK 
1 Spain 
1 Ukraine 
1 Russia 
8 Singapore 4 China 4 Germany 3 Canada 2 UK 1 Spain 1 Ukraine 1 Russia 8 Singapore 4 China 4 Germany 3 Canada 2 UK 1 Spain 1 Ukraine 1 Russia