Frequencies for c_1_c7_03122 variable in hcris2552_96_2000 dataset :

c_1_c7_0312 |
          2 |      Freq.     Percent        Cum.
------------+-----------------------------------
     631813 |          1        0.02        0.02
    2298522 |          1        0.02        0.03
    4619674 |          1        0.02        0.05
    4921541 |          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