                                       1.3 %           8.3 %                 55.61    2015       56.15   1 %               50.77    2015   5     55.58   8.7 %                                                              
               1 ~ 6          2015         3.2 %          2015    2.4 %  0.8            5.5 %      2.6 %        2.8 %         1.7 %   