Frequencies for first 10,000 rows of prov1575 variable in pos2005 dataset :

participati |
    ng code |
      (y,n) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,642       86.42       86.42
          N |         89        0.89       87.31
          Y |      1,269       12.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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