22 visiting now: 14 USA 
2 China 
1 Iraq 
1 Vietnam 
1 Morocco 
1 Singapore 
1 Argentina 
1 Turkey 
1 UK 
1 Ecuador 
2 China 1 Iraq 1 Vietnam 1 Morocco 1 Singapore 1 Argentina 1 Turkey 1 UK 1 Ecuador 2 China 1 Iraq 1 Vietnam 1 Morocco 1 Singapore 1 Argentina 1 Turkey 1 UK 1 Ecuador