Frequencies for first 10,000 rows of prov6270 variable in pos2006 dataset :

 srv: rehab |
- inpatient |
     (carf) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,710       87.10       87.10
          0 |      1,266       12.66       99.76
          1 |         18        0.18       99.94
          2 |          2        0.02       99.96
          3 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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