Frequencies for c_1_c5_03970 variable in hcris2552_96_2005 dataset :

c_1_c5_0397 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
     471079 |          1        0.02        0.02
     800627 |          1        0.02        0.03
    1567981 |          1        0.02        0.05
          . |      6,245       99.95      100.00
------------+-----------------------------------
      Total |      6,248      100.00

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