Frequencies for c_1_c7_03180 variable in hcris2552_96_2001 dataset :

c_1_c7_0318 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      65593 |          1        0.02        0.02
      69629 |          1        0.02        0.03
     102936 |          1        0.02        0.05
          . |      6,169       99.95      100.00
------------+-----------------------------------
      Total |      6,172      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018