Frequencies for c_1_c6_04050 variable in hcris2552_96_2003 dataset :

c_1_c6_0405 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
        414 |          1        0.02        0.02
        941 |          1        0.02        0.03
       4119 |          1        0.02        0.05
       5337 |          1        0.02        0.06
          . |      6,189       99.94      100.00
------------+-----------------------------------
      Total |      6,193      100.00

by Jean Roth , jroth@nber.org , 8 Sep 2018