Frequencies for first 10,000 rows of prov3560 variable in posclia1998 dataset :

   prov3560 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          6        0.06        0.06
         01 |      2,167       21.67       21.73
         02 |        459        4.59       26.32
         03 |      6,255       62.55       88.87
         04 |        978        9.78       98.65
         05 |        135        1.35      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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