Frequencies for first 10,000 rows of sbunit_sw variable in pos2013 dataset :

    Subunit |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,622       86.22       86.22
          N |      1,213       12.13       98.35
          Y |        165        1.65      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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