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

 SRV: REHAB |
          - |
 OUTPATIENT |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,626       86.26       86.26
          0 |      1,176       11.76       98.02
          1 |        148        1.48       99.50
          2 |         39        0.39       99.89
          3 |         11        0.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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