Frequencies for first 10,000 rows of prov2160 variable in pos2006 dataset :

  srv: home |
     health |
   services |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,710       87.10       87.10
          0 |        775        7.75       94.85
          1 |        343        3.43       98.28
          2 |        150        1.50       99.78
          3 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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