63 visiting now: 40 Vietnam 
6 USA 
4 Argentina 
3 China 
2 Indonesia 
2 Russia 
2 Germany 
1 Syria 
1 Iraq 
1 Japan 
1 Brazil 
1 Mexico 
6 USA 4 Argentina 3 China 2 Indonesia 2 Russia 2 Germany 1 Syria 1 Iraq 1 Japan 1 Brazil 1 Mexico