60 visiting now: 33 USA 
6 Singapore 
4 UK 
4 China 
3 Latvia 
2 Brazil 
2 Australia 
2 Czech Republic 
2 Germany 
1 Bosnia and Herzegovina 
1 India 
1 Ukraine 
1 Saudi Arabia 
1 Bangladesh 
1 France 
1 Belgium 
1 Turkey 
6 Singapore 4 UK 4 China 3 Latvia 2 Brazil 2 Australia 2 Czech Republic 2 Germany 1 Bosnia and Herzegovina 1 India 1 Ukraine 1 Saudi Arabia 1 Bangladesh 1 France 1 Belgium 1 Turkey