54 visiting now: 24 USA 
10 Singapore 
7 Israel 
5 China 
4 Canada 
2 France 
2 UK 
1 Germany 
1 Hong Kong 
1 Korea 
10 Singapore 7 Israel 5 China 4 Canada 2 France 2 UK 1 Germany 1 Hong Kong 1 Korea 10 Singapore 7 Israel 5 China 4 Canada 2 France 2 UK 1 Germany 1 Hong Kong 1 Korea