Frequencies for first 10,000 rows of dtry_srvc_cd variable in pos2012 dataset :

   Services |
  Provided: |
    Dietary |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,606       86.06       86.06
          0 |        157        1.57       87.63
          1 |        767        7.67       95.30
          2 |        264        2.64       97.94
          3 |        206        2.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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