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

  Services Provided: Magnetic Resonance |
                    Imaging Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,614       86.14       86.14
                           NOT PROVIDED |      1,066       10.66       96.80
                      PROVIDED BY STAFF |        169        1.69       98.49
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         24        0.24       98.73
             PROVIDED UNDER ARRANGEMENT |        127        1.27      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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