Frequencies for c_1_c7_05020 variable in hcris2552_96_2010 dataset :

c_1_c7_0502 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
     848690 |          1        0.03        0.03
          . |      3,850       99.97      100.00
------------+-----------------------------------
      Total |      3,851      100.00

by Jean Roth , jroth@nber.org , 1 Sep 2018