Frequencies for first 10,000 rows of prov2045 variable in posclia1999 dataset :

   prov2045 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      1,881       18.81       18.81
          Y |      8,119       81.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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