Frequencies for first 10,000 rows of open_hrt_srgry_srvc_desc variable in pos20

  Services Provided: Cardiac - Thoracic |
                                 Surger |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,606       86.06       86.06
                           NOT PROVIDED |      1,115       11.15       97.21
                      PROVIDED BY STAFF |        211        2.11       99.32
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         22        0.22       99.54
             PROVIDED UNDER ARRANGEMENT |         46        0.46      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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