Frequencies for first 10,000 rows of prov3810 variable in posclia2005 dataset :

   prov3810 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        304        3.04        3.04
          1 |      1,180       11.80       14.84
          2 |      5,208       52.08       66.92
          3 |        774        7.74       74.66
          4 |      2,188       21.88       96.54
          9 |        346        3.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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