Frequencies for c_1_c7_03380 variable in hcris2552_96_1998 dataset :

c_1_c7_0338 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      23956 |          1        0.02        0.02
     133071 |          1        0.02        0.03
     267257 |          1        0.02        0.05
     841503 |          1        0.02        0.06
          . |      6,323       99.94      100.00
------------+-----------------------------------
      Total |      6,327      100.00

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