71 visiting now: 53 USA 
6 Singapore 
5 India 
2 UK 
2 Hong Kong 
1 Thailand 
1 Argentina 
1 Germany 
1 Ukraine 
6 Singapore 5 India 2 UK 2 Hong Kong 1 Thailand 1 Argentina 1 Germany 1 Ukraine 6 Singapore 5 India 2 UK 2 Hong Kong 1 Thailand 1 Argentina 1 Germany 1 Ukraine