Frequencies for c_1_c7_03181 variable in hcris2552_96_2001 dataset :

c_1_c7_0318 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
     622462 |          1        0.02        0.02
    1151213 |          1        0.02        0.03
          . |      6,170       99.97      100.00
------------+-----------------------------------
      Total |      6,172      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018