26 visiting now: 15 USA 
3 China 
2 Vietnam 
1 Pakistan 
1 Colombia 
1 Russia 
1 Germany 
1 Turkey 
1 Mexico 
3 China 2 Vietnam 1 Pakistan 1 Colombia 1 Russia 1 Germany 1 Turkey 1 Mexico 3 China 2 Vietnam 1 Pakistan 1 Colombia 1 Russia 1 Germany 1 Turkey 1 Mexico