70 visiting now: 59 USA 
4 China 
1 Mexico 
1 Vietnam 
1 Germany 
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1 Ecuador 
1 Romania 
1 Kazakhstan 
4 China 1 Mexico 1 Vietnam 1 Germany 1 Peru 1 Ecuador 1 Romania 1 Kazakhstan 4 China 1 Mexico 1 Vietnam 1 Germany 1 Peru 1 Ecuador 1 Romania 1 Kazakhstan