Frequencies for first 10,000 rows of prov2255 variable in pos1997 dataset :

       srv: |
nutritional |
   guidance |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,629       86.29       86.29
          0 |        975        9.75       96.04
          1 |        150        1.50       97.54
          2 |        216        2.16       99.70
          3 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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