Frequencies for first 10,000 rows of prov2160 variable in pos1997 dataset :

  srv: home |
  care unit |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,792       87.92       87.92
          0 |        661        6.61       94.53
          1 |        350        3.50       98.03
          2 |        174        1.74       99.77
          3 |         23        0.23      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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