Frequencies for c_1_c7_05604 variable in hcris2552_96_1997 dataset :

c_1_c7_0560 |
          4 |      Freq.     Percent        Cum.
------------+-----------------------------------
      16182 |          1        0.02        0.02
      73266 |          1        0.02        0.03
     745191 |          1        0.02        0.05
    2747715 |          1        0.02        0.06
          . |      6,376       99.94      100.00
------------+-----------------------------------
      Total |      6,380      100.00

by Jean Roth , jroth@nber.org , 6 Sep 2018