Frequencies for c_1_c7_03973 variable in hcris2552_96_1997 dataset :

c_1_c7_0397 |
          3 |      Freq.     Percent        Cum.
------------+-----------------------------------
      47813 |          1        0.02        0.02
     166569 |          1        0.02        0.03
    4818206 |          1        0.02        0.05
          . |      6,377       99.95      100.00
------------+-----------------------------------
      Total |      6,380      100.00

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