Frequencies for first 10,000 rows of prov1530 variable in pos2010 dataset :

    SUBUNIT |
  OPERATION |
  INDICATOR |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,318       83.18       83.18
          N |      1,657       16.57       99.75
          Y |         25        0.25      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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