Frequencies for first 10,000 rows of hha_qlfyd_opt_spch_sw variable in pos2018 dataset :

        HHA |
  Qualified |
    For OPT |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,921       89.21       89.21
          N |        816        8.16       97.37
          Y |        263        2.63      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019