Frequencies for first 10,000 rows of skltn_rec_sw variable in pos2012 dataset :

   Skeleton |
     Record |
     Switch |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      8,604       86.04       86.04
          Y |      1,396       13.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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