Frequencies for c_1_c7_03969 variable in hcris2552_96_1997 dataset :

c_1_c7_0396 |
          9 |      Freq.     Percent        Cum.
------------+-----------------------------------
       5503 |          1        0.02        0.02
      33473 |          1        0.02        0.03
     399429 |          1        0.02        0.05
    1024126 |          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