anchor.diff:  2010,spend >30% on housing,United States,pct,41
   2011,spend >30% on housing,United States,pct,40
   2012,spend >30% on housing,United States,pct,38
  -2008,spend >30% on housing,United States,rank,NULL
  -2009,spend >30% on housing,United States,rank,NULL
  -2010,spend >30% on housing,United States,rank,NULL
  -2011,spend >30% on housing,United States,rank,NULL
  -2012,spend >30% on housing,United States,rank,NULL
  +2008,spend >30% on housing,United States,rank,0
  +2009,spend >30% on housing,United States,rank,0
  +2010,spend >30% on housing,United States,rank,0
  +2011,spend >30% on housing,United States,rank,0
  +2012,spend >30% on housing,United States,rank,0
   2008,children in poverty,United States,count,13241000
   2009,children in poverty,United States,count,14657000
   2010,children in poverty,United States,count,15749000
  
positive.code: 2010,parents without full-time employment,United States,pct,33
  2011,parents without full-time employment,United States,pct,32
  2012,parents without full-time employment,United States,pct,31
  2008,parents without full-time employment,United States,rank,NULL
  2009,parents without full-time employment,United States,rank,NULL
  2010,parents without full-time employment,United States,rank,NULL
  2011,parents without full-time employment,United States,rank,NULL
  2012,parents without full-time employment,United States,rank,NULL
  2008,teens not attending school,United States,count,1410000
  2009,teens not attending school,United States,count,1559000
  2010,teens not attending school,United States,count,1580000
  
negative.code: 2010,teens not attending school,United States,pct,9
  2011,teens not attending school,United States,pct,8
  2012,teens not attending school,United States,pct,8
  2008,teens not attending school,United States,rank,0
  2009,teens not attending school,United States,rank,0
  2010,teens not attending school,United States,rank,0
  2011,teens not attending school,United States,rank,0
  2012,teens not attending school,United States,rank,0
  2008,spend >30% on housing,Virginia,count,688000
  2009,spend >30% on housing,Virginia,count,712000
  2010,spend >30% on housing,Virginia,count,689000
  