39 visiting now: 23 USA 
8 Singapore 
4 UK 
3 Russia 
2 China 
1 Germany 
1 Ukraine 
1 Hong Kong 
1 Ireland 
1 Brazil 
8 Singapore 4 UK 3 Russia 2 China 1 Germany 1 Ukraine 1 Hong Kong 1 Ireland 1 Brazil 8 Singapore 4 UK 3 Russia 2 China 1 Germany 1 Ukraine 1 Hong Kong 1 Ireland 1 Brazil