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

       Services Provided: Trauma Center |
               (Designated) Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,614       86.14       86.14
                           NOT PROVIDED |      1,269       12.69       98.83
                      PROVIDED BY STAFF |         82        0.82       99.65
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         13        0.13       99.78
             PROVIDED UNDER ARRANGEMENT |         22        0.22      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 19 Apr 2019