Frequencies for first 10,000 rows of rsdnt_pgm_aoa_aprvd_sw variable in pos2011 dataset :

   Resident |
    Program |
Approved by |
        AOA |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          2        0.02        0.02
          N |      9,962       99.62       99.64
          Y |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019