Frequencies for pickle variable in hcris2552_96_2003 dataset :

     pickle |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,112       98.69       98.69
          N |         81        1.31      100.00
------------+-----------------------------------
      Total |      6,193      100.00

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