Frequencies for first 10,000 rows of hha_qlfyd_opt_spch_sw variable in pos2016 dataset :

        HHA |
  Qualified |
    For OPT |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,967       89.67       89.67
          N |        769        7.69       97.36
          Y |        264        2.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017