Frequencies for first 10,000 rows of prov1530 variable in pos1991 dataset :

    subunit |
  operation |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,733       87.33       87.33
          N |      1,256       12.56       99.89
          Y |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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