Frequencies for first 10,000 rows of rsdnt_pgm_ama_aprvd_sw variable in pos2002 dataset :

   resident |
    program |
approved by |
        ama |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,812       88.12       88.12
          N |      1,060       10.60       98.72
          Y |        128        1.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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