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

Services Provided: Extracorporeal Shock |
                       Wave Description |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                        |      8,614       86.14       86.14
                           NOT PROVIDED |      1,271       12.71       98.85
                      PROVIDED BY STAFF |         26        0.26       99.11
PROVIDED BY STAFF AND UNDER ARRANGEMENT |         31        0.31       99.42
             PROVIDED UNDER ARRANGEMENT |         58        0.58      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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