Frequencies for first 10,000 rows of prov6270 variable in pos2008 dataset :

 srv: rehab |
- inpatient |
     (carf) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |      1,312       13.12       99.67
          1 |         23        0.23       99.90
          2 |          4        0.04       99.94
          3 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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