Frequencies for c_1_c5_03180 variable in hcris2552_96_1999 dataset :

c_1_c5_0318 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      95802 |          1        0.02        0.02
     623516 |          1        0.02        0.03
          . |      6,208       99.97      100.00
------------+-----------------------------------
      Total |      6,210      100.00

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