Frequencies for c_1_c6_04000 variable in hcris2552_96_1995 dataset :

c_1_c6_0400 |
          0 |      Freq.     Percent        Cum.
------------+-----------------------------------
      50379 |          1       50.00       50.00
     631347 |          1       50.00      100.00
------------+-----------------------------------
      Total |          2      100.00

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