Frequencies for first 10,000 rows of retprn variable in nhamcsopd2003 dataset :

  return as |
     needed |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      8,311       83.11       83.11
        yes |      1,689       16.89      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016