Frequencies for c_1_c7_05810 variable in hcris2552_96_1996 dataset :

c_1_c7_0581 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      16651 |          1        0.02        0.02
     598759 |          1        0.02        0.03
    3154114 |          1        0.02        0.05
          . |      6,059       99.95      100.00
------------+-----------------------------------
      Total |      6,062      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018