Frequencies for first 10,000 rows of elgblty_sw variable in pos2010 dataset :

ELIGIBILITY |
       CODE |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,108       11.08       11.08
          1 |      8,193       81.93       93.01
          2 |        699        6.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017