Frequencies for first 10,000 rows of prov4695 variable in posclia2001 dataset :

   prov4695 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |        543        5.43        5.43
          1 |      1,657       16.57       22.00
          2 |      4,703       47.03       69.03
          3 |      1,017       10.17       79.20
          4 |      2,080       20.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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