61 visiting now: 42 USA 
9 Singapore 
4 China 
3 Brazil 
2 Germany 
2 Czech Republic 
1 Belgium 
1 Venezuela 
1 India 
1 Argentina 
1 Switzerland 
1 Australia 
1 UK 
1 Europe 
1 Bangladesh 
9 Singapore 4 China 3 Brazil 2 Germany 2 Czech Republic 1 Belgium 1 Venezuela 1 India 1 Argentina 1 Switzerland 1 Australia 1 UK 1 Europe 1 Bangladesh