Frequencies for c_1_c7_03180 variable in hcris2552_96_2004 dataset :

c_1_c7_0318 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      48633 |          1        0.02        0.02
      50536 |          1        0.02        0.03
     355830 |          1        0.02        0.05
     551293 |          1        0.02        0.06
    2049200 |          1        0.02        0.08
          . |      6,260       99.92      100.00
------------+-----------------------------------
      Total |      6,265      100.00

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