Frequencies for first 10,000 rows of prov1810 variable in pos2004 dataset :

   resident |
    program |
approved by |
        ama |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,766       87.66       87.66
          N |      1,112       11.12       98.78
          Y |        122        1.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016