Frequencies for first 10,000 rows of rsdnt_pgm_ama_aprvd_sw variable in pos1992 dataset :

   resident |
    program |
approved by |
        ama |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,851       88.51       88.51
          N |        990        9.90       98.41
          Y |        159        1.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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