Frequencies for c_1_c6_03970 variable in hcris2552_96_1998 dataset :

c_1_c6_0397 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
       9945 |          1        0.02        0.02
      12677 |          1        0.02        0.03
      91809 |          1        0.02        0.05
     690442 |          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