Frequencies for first 10,000 rows of prov3810 variable in posclia2003 dataset :

   prov3810 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        336        3.36        3.36
          1 |      1,179       11.79       15.15
          2 |      5,195       51.95       67.10
          3 |        775        7.75       74.85
          4 |      2,158       21.58       96.43
          9 |        357        3.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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