Frequencies for first 10,000 rows of prov1820 variable in pos1995 dataset :

   resident |
    program |
approved by |
      other |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,933       89.33       89.33
          N |        971        9.71       99.04
          Y |         96        0.96      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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