Frequencies for c_1_c6_03967 variable in hcris2552_96_2001 dataset :

c_1_c6_0396 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
     160901 |          1        0.02        0.02
     251138 |          1        0.02        0.03
    3384085 |          1        0.02        0.05
    5052193 |          1        0.02        0.06
          . |      6,168       99.94      100.00
------------+-----------------------------------
      Total |      6,172      100.00

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