Frequencies for first 10,000 rows of prov2880 variable in posclia1999 dataset :

   prov2880 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,119       81.19       81.19
          1 |        472        4.72       85.91
          2 |      1,407       14.07       99.98
          3 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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