Frequencies for c_1_c7_03031 variable in hcris2552_96_2003 dataset :

c_1_c7_0303 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
      13283 |          1        0.02        0.02
      57642 |          1        0.02        0.03
     277782 |          1        0.02        0.05
    1996697 |          1        0.02        0.06
          . |      6,189       99.94      100.00
------------+-----------------------------------
      Total |      6,193      100.00

by Jean Roth , jroth@nber.org , 8 Sep 2018