Frequencies for first 10,000 rows of hha_qlfyd_opt_spch_sw variable in pos2003 dataset :

        hha |
  qualified |
    for opt |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,428       84.28       84.28
          N |      1,123       11.23       95.51
          Y |        449        4.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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