74 visiting now: 48 USA 
6 Singapore 
5 Canada 
4 Germany 
4 China 
3 Hong Kong 
3 Brazil 
2 Turkey 
2 UK 
1 Russia 
1 Argentina 
1 India 
1 Kazakhstan 
1 Mexico 
6 Singapore 5 Canada 4 Germany 4 China 3 Hong Kong 3 Brazil 2 Turkey 2 UK 1 Russia 1 Argentina 1 India 1 Kazakhstan 1 Mexico