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

Eligibility |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      1,894       18.94       18.94
          Y |      8,106       81.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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