Frequencies for c_1_c5_04050 variable in hcris2552_96_1997 dataset :

c_1_c5_0405 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
     334589 |          1        0.02        0.02
    1175252 |          1        0.02        0.03
    2113768 |          1        0.02        0.05
          . |      6,377       99.95      100.00
------------+-----------------------------------
      Total |      6,380      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018