Frequencies for c_1_c7_04405 variable in hcris2552_96_2000 dataset :

c_1_c7_0440 |
          5 |      Freq.     Percent        Cum.
------------+-----------------------------------
     698573 |          1        0.02        0.02
     778043 |          1        0.02        0.03
    2516887 |          1        0.02        0.05
    5050462 |          1        0.02        0.06
          . |      6,191       99.94      100.00
------------+-----------------------------------
      Total |      6,195      100.00

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