Frequencies for first 10,000 rows of sbunit_oprtn_sw variable in pos2016 dataset :

    Subunit |
  Operation |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,967       89.67       89.67
          N |      1,017       10.17       99.84
          Y |         16        0.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017