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  Back Adjustments [nominal, per child]
  State 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
  United States 24.9 24.1 24.5 23.9 23.0 23.1 22.5 22.1 21.7 21.4 22.2
  District of Columbia 56.0 57.3 54.3 53.1 54.5 56.1 55.6 58.1 57.0 60.3 64.7
  Alabama 9.2 10.2 8.0 7.9 7.8 7.7 6.8 7.6 7.7 7.9 9.1
  Alaska 58.6 54.9 50.6 50.2 51.6 50.6 47.1 48.2 46.7 49.2 53.5
  Arizona 12.5 12.8 13.0 12.3 13.0 12.1 12.0 11.8 11.3 11.3 11.4
  Arkansas 7.2 3.7 6.1 5.9 5.5 5.2 4.6 4.7 4.8 4.9 5.5
  California 38.2 39.2 43.6 40.2 34.5 38.1 37.6 37.0 34.2 32.8 32.6
  Colorado 20.1 20.4 12.8 10.5 10.4 9.1 8.2 7.9 7.6 6.9 7.6
  Connecticut 49.1 48.3 46.1 45.3 47.9 45.0 37.4 36.3 43.0 43.2 46.9
  Delaware 40.4 40.3 39.1 38.4 38.3 37.3 34.2 33.3 34.6 35.2 35.6
  Florida 16.0 17.2 17.0 16.1 17.1 16.0 15.6 14.6 13.6 13.1 14.5
  Georgia 17.1 14.2 15.5 14.8 14.3 14.0 13.5 13.4 12.6 12.0 12.1
  Hawaii 17.4 13.4 15.7 23.2 31.5 28.5 28.6 28.5 28.2 27.9 31.6
  Idaho 8.5 6.0 4.9 6.2 6.0 5.8 5.6 4.5 4.9 4.5 5.8
  Illinois 27.8 27.0 28.3 24.3 22.8 22.4 21.5 21.8 21.5 21.7 22.9
  Indiana 17.8 13.7 14.0 14.3 15.3 16.3 14.5 15.7 15.5 15.0 16.8
  Iowa 25.7 26.1 23.8 25.2 24.4 24.3 24.3 24.0 23.6 24.4 27.6
  Kansas 18.0 23.0 22.5 16.2 18.6 17.9 18.7 19.5 20.0 20.1 22.4
  Kentucky 10.4 16.6 9.2 9.0 9.6 15.2 12.0 9.2 16.5 16.3 12.4
  Louisiana 8.8 7.9 7.5 7.7 7.8 7.6 7.2 7.1 3.1 7.6 7.5
  Maine 30.3 32.0 34.1 34.2 31.3 31.2 32.3 33.9 35.6 34.9 39.4
  Maryland 26.5 24.8 24.8 23.5 14.3 22.9 22.5 22.4 22.4 22.4 23.6
  Massachusetts 47.0 45.5 42.6 41.7 42.8 42.2 41.8 41.5 41.1 41.6 44.3
  Michigan 31.9 29.6 27.2 21.7 26.7 25.0 25.1 23.6 24.7 25.0 26.7
  Minnesota 32.9 34.6 33.1 31.5 31.7 32.4 30.9 30.0 29.1 28.7 30.6
  Mississippi 6.2 5.0 4.3 4.3 4.4 4.3 4.1 4.0 4.1 3.9 4.3
  Missouri 24.4 19.7 21.5 22.0 23.2 21.9 20.8 20.7 20.8 20.9 22.7
  Montana 12.9 11.5 10.9 10.5 6.2 12.1 11.4 11.1 11.6 11.1 12.6
  Nebraska 9.5 23.3 21.4 24.6 21.7 21.0 21.4 21.4 21.3 21.1 21.1
  Nevada 9.3 11.1 9.1 7.8 9.2 9.1 8.6 8.8 8.7 8.7 9.8
  New Hampshire 27.3 26.1 27.8 26.0 26.2 29.6 27.0 26.8 26.8 26.1 27.4
  New Jersey 30.2 28.6 14.8 25.8 25.4 24.6 24.1 24.3 24.3 24.2 25.4
  New Mexico 4.7 10.4 10.9 9.1 9.6 9.5 9.9 9.8 9.9 9.4 10.4
  New York 30.2 38.3 38.7 37.3 35.9 33.5 32.1 32.3 32.1 32.5 33.2
  North Carolina 27.4 25.9 25.6 25.0 24.6 23.6 23.0 22.3 21.2 20.3 20.0
  North Dakota 12.8 13.7 12.5 15.6 15.6 17.1 16.8 18.0 19.5 17.2 19.2
  Ohio 27.9 26.4 26.8 24.8 24.7 24.4 24.9 24.1 25.4 25.1 27.2
  Oklahoma 18.1 17.4 10.5 17.1 17.0 17.0 16.8 16.6 16.9 16.5 17.7
  Oregon 18.7 23.0 10.6 22.3 22.9 18.5 21.8 15.5 18.6 21.4 22.7
  Pennsylvania 30.3 12.3 27.2 27.7 27.4 26.6 27.5 28.6 28.6 27.9 28.2
  Rhode Island 55.0 51.3 49.6 47.3 46.6 43.4 41.7 40.0 39.1 37.9 38.9
  South Carolina 3.4 6.8 6.4 6.2 6.4 6.1 5.9 5.6 5.9 5.7 6.0
  South Dakota 10.9 10.6 10.5 9.5 10.6 10.2 10.1 9.6 9.7 9.9 12.7
  Tennessee 16.8 4.1 16.5 17.0 17.9 17.9 18.2 18.3 17.9 18.9 19.4
  Texas 12.3 12.2 10.6 10.7 9.7 9.3 8.3 8.0 8.3 7.5 8.0
  Utah 12.8 12.8 12.3 6.5 12.3 11.7 11.3 10.7 10.3 9.6 9.1
  Vermont 16.6 33.9 34.7 33.3 31.9 31.0 47.0 31.9 34.4 36.0 37.5
  Virginia 22.6 21.2 20.6 21.0 20.5 21.3 21.7 21.9 21.7 21.2 22.1
  Washington 55.0 48.2 48.8 49.5 46.9 48.8 46.7 47.7 47.2 47.2 48.8
  West Virginia 14.3 9.9 10.8 13.7 15.1 15.3 14.4 15.2 14.9 14.8 15.4
  Wisconsin 19.4 20.7 24.5 25.8 20.8 20.4 20.4 17.7 18.8 20.5 21.6
  Wyoming 17.9 9.3 19.9 20.4 20.7 19.6 19.6 19.8 19.3 19.7 21.5