Frequencies for first 10,000 rows of prov2880 variable in posclia2000 dataset :

   prov2880 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,705       87.05       87.05
          1 |        191        1.91       88.96
          2 |      1,103       11.03       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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