Frequencies for first 10,000 rows of prov2160 variable in pos1991 dataset :

  srv: home |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,770       87.70       87.70
          0 |        792        7.92       95.62
          1 |        248        2.48       98.10
          2 |        178        1.78       99.88
          3 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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