Frequencies for c_1_c7_04049 variable in hcris2552_96_2004 dataset :

c_1_c7_0404 |
          9 |      Freq.     Percent        Cum.
------------+-----------------------------------
     131636 |          1        0.02        0.02
     253970 |          1        0.02        0.03
    3079012 |          1        0.02        0.05
    4196881 |          1        0.02        0.06
          . |      6,261       99.94      100.00
------------+-----------------------------------
      Total |      6,265      100.00

by Jean Roth , jroth@nber.org , 9 Sep 2018