Frequencies for c_1_c7_03181 variable in hcris2552_96_1999 dataset :

c_1_c7_0318 |
          1 |      Freq.     Percent        Cum.
------------+-----------------------------------
    1344635 |          1        0.02        0.02
          . |      6,209       99.98      100.00
------------+-----------------------------------
      Total |      6,210      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018