41 visiting now: 22 USA 
8 Singapore 
2 UK 
2 China 
1 France 
1 Australia 
1 Poland 
1 Belgium 
1 Canada 
1 Tunisia 
1 Turkey 
1 Finland 
8 Singapore 2 UK 2 China 1 France 1 Australia 1 Poland 1 Belgium 1 Canada 1 Tunisia 1 Turkey 1 Finland