Frequencies for first 10,000 rows of prov1530 variable in pos1992 dataset :

    subunit |
  operation |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,768       87.68       87.68
          N |      1,210       12.10       99.78
          Y |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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