Frequencies for c_1_c7_03967 variable in hcris2552_96_2004 dataset :

c_1_c7_0396 |
          7 |      Freq.     Percent        Cum.
------------+-----------------------------------
    1297545 |          1        0.02        0.02
    4156222 |          1        0.02        0.03
    5607771 |          1        0.02        0.05
          . |      6,262       99.95      100.00
------------+-----------------------------------
      Total |      6,265      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018