Frequencies for first 10,000 rows of sbunit_sw variable in pos2015 dataset :

    Subunit |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,865       88.65       88.65
          N |        982        9.82       98.47
          Y |        153        1.53      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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