Frequencies for first 10,000 rows of prov4175 variable in posclia2005 dataset :

   prov4175 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,317       33.17       33.17
          N |      6,229       62.29       95.46
          Y |        454        4.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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