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

   resident |
    program |
approved by |
        aoa |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,789       87.89       87.89
          N |      1,193       11.93       99.82
          Y |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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