Frequencies for first 10,000 rows of pet_scan_srvc_desc variable in pos2012 dat

         Services Provided: PET Scanner |
                            Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,606       86.06       86.06
                           NOT PROVIDED |      1,282       12.82       98.88
                      PROVIDED BY STAFF |         34        0.34       99.22
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         17        0.17       99.39
             PROVIDED UNDER ARRANGEMENT |         61        0.61      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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