Frequencies for first 10,000 rows of prov1575 variable in pos2008 dataset :

participati |
    ng code |
      (y,n) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,577       85.77       85.77
          N |         89        0.89       86.66
          Y |      1,334       13.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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