Frequencies for first 10,000 rows of crdc_cthtrztn_lab_srvc_desc variable in po

             Services Provided: Cardiac |
                      Catheterization L |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,606       86.06       86.06
                           NOT PROVIDED |      1,222       12.22       98.28
                      PROVIDED BY STAFF |        135        1.35       99.63
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         18        0.18       99.81
             PROVIDED UNDER ARRANGEMENT |         19        0.19      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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