Frequencies for c_1_c7_04002 variable in hcris2552_96_2006 dataset :

c_1_c7_0400 |
          2 |      Freq.     Percent        Cum.
------------+-----------------------------------
      40180 |          1        0.02        0.02
    4555880 |          1        0.02        0.03
          . |      6,231       99.97      100.00
------------+-----------------------------------
      Total |      6,233      100.00

by Jean Roth , jroth@nber.org , 10 Sep 2018