Frequencies for first 10,000 rows of prov2255 variable in pos1991 dataset :

       srv: |
nutritional |
   guidance |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,733       87.33       87.33
          0 |        968        9.68       97.01
          1 |         91        0.91       97.92
          2 |        207        2.07       99.99
          3 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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