Frequencies for first 10,000 rows of prov6270 variable in pos2010 dataset :

 SRV: REHAB |
- INPATIENT |
     (CARF) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,626       86.26       86.26
          0 |      1,306       13.06       99.32
          1 |         45        0.45       99.77
          2 |         17        0.17       99.94
          3 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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