Frequencies for first 10,000 rows of prov2450 variable in pos2010 dataset :

 SRV: REHAB |
  INPATIENT |
 (NOT CARF) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,626       86.26       86.26
          0 |        871        8.71       94.97
          1 |        369        3.69       98.66
          2 |        100        1.00       99.66
          3 |         34        0.34      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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