Frequencies for first 10,000 rows of prov2450 variable in pos2009 dataset :

 SRV: REHAB |
  INPATIENT |
 (NOT CARF) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,638       86.38       86.38
          0 |        850        8.50       94.88
          1 |        376        3.76       98.64
          2 |        102        1.02       99.66
          3 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017