Frequencies for c_1_c5_03969 variable in hcris2552_96_1999 dataset :

c_1_c5_0396 |
          9 |      Freq.     Percent        Cum.
------------+-----------------------------------
     280231 |          1        0.02        0.02
     664218 |          1        0.02        0.03
     805145 |          1        0.02        0.05
    1523412 |          1        0.02        0.06
          . |      6,206       99.94      100.00
------------+-----------------------------------
      Total |      6,210      100.00

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