Frequencies for first 10,000 rows of prov2450 variable in pos2008 dataset :

 srv: rehab |
  inpatient |
 (not carf) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,655       86.55       86.55
          0 |        828        8.28       94.83
          1 |        376        3.76       98.59
          2 |        105        1.05       99.64
          3 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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