Frequencies for first 10,000 rows of prov2880 variable in posclia2005 dataset :

   prov2880 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      7,843       78.43       78.43
          1 |        606        6.06       84.49
          2 |      1,524       15.24       99.73
          5 |         27        0.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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