Frequencies for c_1_c7_04971 variable in hcris2552_96_1997 dataset :

c_1_c7_0497 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
      31071 |          1        0.02        0.02
     538236 |          1        0.02        0.03
          . |      6,378       99.97      100.00
------------+-----------------------------------
      Total |      6,380      100.00

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