Frequencies for first 10,000 rows of retneed variable in namcs2015 dataset :

  Return as |
     needed |
   (p.r.n.) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,137       81.37       81.37
          1 |      1,863       18.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 25 Oct 2017