Frequencies for county variable in hcris2552_96_2011 dataset :

      county |      Freq.     Percent        Cum.
-------------+-----------------------------------
       BEXAR |          1        2.94        2.94
     CHOCTAW |          1        2.94        5.88
      COLLIN |          2        5.88       11.76
      DALLAS |          1        2.94       14.71
   GALVESTON |          1        2.94       17.65
      HARRIS |          2        5.88       23.53
    JOHNSTON |          1        2.94       26.47
        KNOX |          1        2.94       29.41
        LAKE |          1        2.94       32.35
 LOS ANGELES |          4       11.76       44.12
    MAHONING |          1        2.94       47.06
      OXFORD |          1        2.94       50.00
 PEARL RIVER |          1        2.94       52.94
PHILADELPHIA |          1        2.94       55.88
      PIERCE |          1        2.94       58.82
       PINAL |          1        2.94       61.76
        PINE |          1        2.94       64.71
SAINT JOSEPH |          1        2.94       67.65
   SALT LAKE |          1        2.94       70.59
      SHELBY |          2        5.88       76.47
      SUSSEX |          1        2.94       79.41
     TARRANT |          1        2.94       82.35
   TREMPLEAU |          1        2.94       85.29
    TRUMBULL |          2        5.88       91.18
       TULSA |          1        2.94       94.12
  WASHINGTON |          1        2.94       97.06
     WOODTON |          1        2.94      100.00
-------------+-----------------------------------
       Total |         34      100.00

by Jean Roth , jroth@nber.org , 2 Sep 2018