anchor.diff:  660,Hardin,29,177,538
   660,Madison,29,137,537
   660,Jamesport,29,61,519
  +660,Lewistown,29,111,517
  +660,Dover,29,107,511
   660,Burlington Junction,29,147,498
   660,Green Ridge,29,159,496
   660,Wayland,29,45,495
  
positive.code: 541,Westfir,41,39,263
  541,Rufus,41,55,249
  541,Paisley,41,37,239
  541,Lostine,41,63,214
  541,Seneca,41,23,207
  541,Sumpter,41,23,203
  
negative.code: 702,Overton,32,3,0
  702,Searchlight,32,3,0
  703,Alexandria,51,59,160035
  703,Leesburg,51,107,54215
  703,Manassas,51,153,41501
  703,Manassas,51,683,41501
  703,Fairfax,51,59,24097
  703,Falls Church,51,610,14583
  703,Dumfries,51,153,5230
  703,Occoquan,51,153,1076
  703,Burke,51,59,405
  703,Clifton,51,59,295
  703,Aldie,51,107,0
  703,Annandale,51,59,0
  703,Arlington,51,13,0
  703,Ashburn,51,107,0
  703,Broad Run,51,61,0
  703,Catharpin,51,153,0
  703,Centreville,51,59,0
  703,Chantilly,51,59,0
  703,Chantilly,51,107,0
  703,Dulles,51,107,0
  703,Dunn Loring,51,59,0
  703,Fort Belvoir,51,59,0
  703,Gainesville,51,153,0
  703,Great Falls,51,59,0
  703,Lorton,51,59,0
  703,Newington,51,59,0
  703,Nokesville,51,153,0
  703,Oakton,51,59,0
  703,Springfield,51,59,0
  703,Sterling,51,107,0
  703,Triangle,51,153,0
  