57 visiting now: 31 USA 
6 Singapore 
3 Vietnam 
3 Mexico 
2 China 
2 Germany 
2 Uzbekistan 
2 India 
1 Canada 
1 Peru 
1 Iraq 
1 Russia 
1 Israel 
1 Costa Rica 
1 Jamaica 
1 Ecuador 
1 Argentina 
1 Brazil 
1 Pakistan 
6 Singapore 3 Vietnam 3 Mexico 2 China 2 Germany 2 Uzbekistan 2 India 1 Canada 1 Peru 1 Iraq 1 Russia 1 Israel 1 Costa Rica 1 Jamaica 1 Ecuador 1 Argentina 1 Brazil 1 Pakistan