Frequencies for first 10,000 rows of prov2160 variable in pos1998 dataset :

  srv: home |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,805       88.05       88.05
          0 |        644        6.44       94.49
          1 |        353        3.53       98.02
          2 |        176        1.76       99.78
          3 |         22        0.22      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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