57 visiting now: 26 USA 
9 Singapore 
5 Brazil 
4 Canada 
4 UK 
3 Japan 
1 Romania 
1 India 
1 Iraq 
1 South Africa 
1 China 
1 Jordan 
1 Czech Republic 
1 Mexico 
1 Germany 
1 Argentina 
1 Vietnam 
9 Singapore 5 Brazil 4 Canada 4 UK 3 Japan 1 Romania 1 India 1 Iraq 1 South Africa 1 China 1 Jordan 1 Czech Republic 1 Mexico 1 Germany 1 Argentina 1 Vietnam