Frequencies for c_1_c7_03122 variable in hcris2552_96_1999 dataset :

c_1_c7_0312 |
          2 |      Freq.     Percent        Cum.
------------+-----------------------------------
     688317 |          1        0.02        0.02
    1425014 |          1        0.02        0.03
    1588800 |          1        0.02        0.05
    3178274 |          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