Frequencies for first 10,000 rows of prov1865 variable in pos1994 dataset :

        010 |
histocompat |
    ibility |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,798       87.98       87.98
          N |      1,167       11.67       99.65
          Y |         35        0.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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