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

        Services Provided: Chiropractic |
                            Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,614       86.14       86.14
                           NOT PROVIDED |      1,340       13.40       99.54
                      PROVIDED BY STAFF |         20        0.20       99.74
PROVIDED BY STAFF AND UNDER ARRANGEMENT |          3        0.03       99.77
             PROVIDED UNDER ARRANGEMENT |         23        0.23      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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