Frequencies for first 10,000 rows of chrprctic_srvc_desc variable in pos2012 da

        Services Provided: Chiropractic |
                            Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,606       86.06       86.06
                           NOT PROVIDED |      1,343       13.43       99.49
                      PROVIDED BY STAFF |         23        0.23       99.72
PROVIDED BY STAFF AND UNDER ARRANGEMENT |          4        0.04       99.76
             PROVIDED UNDER ARRANGEMENT |         24        0.24      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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