Frequencies for first 10,000 rows of skltn_rec_sw variable in pos2013 dataset :

   Skeleton |
     Record |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      8,837       88.37       88.37
          Y |      1,163       11.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016