58 visiting now: 30 USA 
8 Singapore 
4 France 
3 Brazil 
3 India 
2 Germany 
2 Canada 
2 China 
2 Korea 
2 Finland 
1 Argentina 
1 UK 
1 Hong Kong 
8 Singapore 4 France 3 Brazil 3 India 2 Germany 2 Canada 2 China 2 Korea 2 Finland 1 Argentina 1 UK 1 Hong Kong