Frequencies for first 10,000 rows of hha_qlfyd_opt_spch_sw variable in pos2015 

        HHA |
  Qualified |
    For OPT |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,865       88.65       88.65
          N |        852        8.52       97.17
          Y |        283        2.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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