Frequencies for c_1_c7_05806 variable in hcris2552_96_1997 dataset :

c_1_c7_0580 |
          6 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
     287589 |          1        0.02        0.03
     722750 |          1        0.02        0.05
    1440095 |          1        0.02        0.06
          . |      6,376       99.94      100.00
------------+-----------------------------------
      Total |      6,380      100.00

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