50 visiting now: 36 USA 
9 Singapore 
2 Australia 
2 UK 
1 China 
1 Finland 
1 Hong Kong 
1 India 
1 Argentina 
9 Singapore 2 Australia 2 UK 1 China 1 Finland 1 Hong Kong 1 India 1 Argentina 9 Singapore 2 Australia 2 UK 1 China 1 Finland 1 Hong Kong 1 India 1 Argentina