75 visiting now: 37 USA 
10 Singapore 
6 Canada 
5 China 
4 Czech Republic 
3 Hong Kong 
2 Lithuania 
2 Germany 
1 Argentina 
1 UK 
1 Nepal 
1 France 
1 Bangladesh 
1 Netherlands 
1 Belgium 
1 Vietnam 
1 Nigeria 
1 Pakistan 
1 India 
10 Singapore 6 Canada 5 China 4 Czech Republic 3 Hong Kong 2 Lithuania 2 Germany 1 Argentina 1 UK 1 Nepal 1 France 1 Bangladesh 1 Netherlands 1 Belgium 1 Vietnam 1 Nigeria 1 Pakistan 1 India