62 visiting now: 31 USA 
10 Singapore 
5 India 
4 Australia 
3 China 
2 UK 
2 Hong Kong 
2 Canada 
2 France 
1 Germany 
1 Belgium 
1 Ireland 
1 Nigeria 
1 Argentina 
10 Singapore 5 India 4 Australia 3 China 2 UK 2 Hong Kong 2 Canada 2 France 1 Germany 1 Belgium 1 Ireland 1 Nigeria 1 Argentina