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

       Services Provided: Neurosurgical |
                            Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,614       86.14       86.14
                           NOT PROVIDED |      1,267       12.67       98.81
                      PROVIDED BY STAFF |         86        0.86       99.67
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         15        0.15       99.82
             PROVIDED UNDER ARRANGEMENT |         18        0.18      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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