Frequencies for first 10,000 rows of prov2255 variable in pos1993 dataset :

       srv: |
nutritional |
   guidance |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,870       88.70       88.70
          0 |        852        8.52       97.22
          1 |         92        0.92       98.14
          2 |        176        1.76       99.90
          3 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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