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

          Services Provided: Outpatient |
                            Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,614       86.14       86.14
                           NOT PROVIDED |        315        3.15       89.29
                      PROVIDED BY STAFF |        952        9.52       98.81
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         81        0.81       99.62
             PROVIDED UNDER ARRANGEMENT |         38        0.38      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019