报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2015-12-31,2014-12-31, 总资产利润率(%),-1.04,8.38,0.95,-1.85,-3.37,11.21,5.7,1.28,-0.74,11.75,7.06,3.17,1.92,19.7,--,--,0.91,12.24,15.41,14.45, 主营业务利润率(%),65.69,68.82,67.99,67.75,65.47,71.02,70.78,70.37,68.47,71.98,72.07,72.97,71.85,74.08,73.83,75.02,76.07,77.2,79.27,82.65, 总资产净利润率(%),-1.02,9.85,0.99,-1.85,-3.09,12.75,5.89,1.29,-0.71,15,8.52,3.64,1.8,22.87,--,--,0.89,12.13,17.58,14.45, 成本费用利润率(%),-16.6,20.98,3.34,-8.84,-32.62,26.3,16.48,6.32,-6.27,29.05,21.84,10.79,9.06,31.22,29.67,13.86,5.7,18.63,36.33,33.82, 营业利润率(%),-14.08,13.93,2.39,-7.21,-32.18,17.18,11.37,4.71,-5.44,19.05,14.92,10.55,9.47,25.75,20.01,13.11,1.93,6.3,19.41,16.32, 主营业务成本率(%),33.53,30.02,30.89,31.2,33.71,27.81,28.16,28.43,30.04,26.68,26.54,25.64,26.59,24.5,24.8,23.53,22.58,21.34,19.2,15.71, 销售净利率(%),-8.8,14.83,2.13,-7.2,-31.82,16.53,11.2,4.29,-5.47,18.71,15.17,10.6,9.32,23.2,17.57,12.24,4.8,14.72,25.03,24.52, 净资产收益率(%),-1.47,12.43,1.54,-2.95,-4.62,17.56,8.33,1.92,-1.03,17.55,10.02,4.26,2.92,32.95,--,--,1.51,21.27,29.98,23.95, 股本报酬率(%),-23.22,278.49,16.93,43.99,-47.36,249.92,77.58,73.28,-8.7,195.65,78.2,68.79,51.01,192.38,75.78,--,--,--,--,--, 净资产报酬率(%),-1.47,17.7,1.54,4.23,-4.62,23.65,8.33,8.47,-1.03,22.94,10.02,9.4,10.91,39.79,--,--,1.51,28.74,36.11,23.95, 资产报酬率(%),-1.04,11.94,0.95,2.64,-3.37,15.09,5.7,5.66,-0.74,15.37,7.06,6.98,7.16,23.79,--,--,0.91,16.54,18.56,14.45, 销售毛利率(%),--,--,--,--,--,--,--,71.57,69.96,73.32,73.46,74.36,73.41,75.5,75.2,76.47,77.42,78.66,80.8,84.29, 三项费用比重(%),49.44,35.66,41.55,48.27,64.11,36.52,40.28,45.41,54.12,37.95,41.63,73.98,78.51,57.13,41.49,70.22,83.08,70.82,59.46,66.06, 非主营比重(%),-10.52,3.74,25.7,-13.5,-6.58,3.96,7.51,25.71,-33.45,3.75,4.86,8.86,12.31,1.75,1.99,3.1,76.67,65.84,34.14,43.41, 主营利润比重(%),-472.34,490.73,2766.54,-952.25,-203.47,412.21,618.11,1484.87,-1275.2,375.57,474.37,669.43,743.81,285.72,367.72,568.61,1248.02,442.59,272.1,292.94,