anchor.diff:  Washington,33486
   West Virginia,23539
   Wisconsin,29563
  -Wyoming,31383
  -Puerto Rico,11677+Wyoming,31383
positive.code: name,Income per capita 2015
  Alabama,24769
  Alaska,34352
  Arizona,26721
  
negative.code: Oklahoma,25762
  Oregon,29117
  Pennsylvania,30384
  Puerto Rico,11677
  Rhode Island,31888
  South Carolina,25627
  South Dakota,27624
  