Frequencies for first 10,000 rows of prov2450 variable in pos2007 dataset :

 srv: rehab |
  inpatient |
 (not carf) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,682       86.82       86.82
          0 |        801        8.01       94.83
          1 |        370        3.70       98.53
          2 |        111        1.11       99.64
          3 |         36        0.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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