Frequencies for first 10,000 rows of county variable in popcounty5yagesrh2000_2010 dataset :

County FIPS |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
      01001 |        693        6.93        6.93
      01003 |        693        6.93       13.86
      01005 |        693        6.93       20.79
      01007 |        693        6.93       27.72
      01009 |        693        6.93       34.65
      01011 |        693        6.93       41.58
      01013 |        693        6.93       48.51
      01015 |        693        6.93       55.44
      01017 |        693        6.93       62.37
      01019 |        693        6.93       69.30
      01021 |        693        6.93       76.23
      01023 |        693        6.93       83.16
      01025 |        693        6.93       90.09
      01027 |        693        6.93       97.02
      01029 |        298        2.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Oct 2016