62 visiting now: 35 USA 
8 Singapore 
4 Germany 
4 Canada 
3 Belgium 
3 Czech Republic 
2 Brazil 
2 China 
1 South Africa 
1 Taiwan 
1 India 
1 UK 
1 Latvia 
1 Netherlands 
8 Singapore 4 Germany 4 Canada 3 Belgium 3 Czech Republic 2 Brazil 2 China 1 South Africa 1 Taiwan 1 India 1 UK 1 Latvia 1 Netherlands