Frequencies for first 10,000 rows of prov1575 variable in pos1994 dataset :

participati |
    ng code |
      (y,n) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,838       88.38       88.38
          N |         96        0.96       89.34
          Y |      1,066       10.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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