Frequencies for c_1_c7_03971 variable in hcris2552_96_2002 dataset :

c_1_c7_0397 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |          1        0.02        0.02
      27973 |          1        0.02        0.03
    3607832 |          1        0.02        0.05
          . |      6,195       99.95      100.00
------------+-----------------------------------
      Total |      6,198      100.00

by Jean Roth , jroth@nber.org , 8 Sep 2018