Frequencies for first 10,000 rows of CHMTHRPY_SRVC_DESC variable in pos2011 dataset :

        Services Provided: Chemotherapy |
                            Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,614       86.14       86.14
                           NOT PROVIDED |      1,219       12.19       98.33
                      PROVIDED BY STAFF |        144        1.44       99.77
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         12        0.12       99.89
             PROVIDED UNDER ARRANGEMENT |         11        0.11      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019