报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2017-12-31,2016-12-31,2016-06-30,2015-12-31,2014-12-31, 总资产利润率(%),2.89,17.15,9.85,6.42,3.24,15.41,7.69,13.26,--,32.31,--,12.72,39.02,24.7,15.99,12.29,2.29, 主营业务利润率(%),45.42,45.68,41.98,42.3,43.87,42.07,38.94,38.07,40.95,41.98,42.43,40.84,46.12,40.66,46.03,35.2,29.93, 总资产净利润率(%),2.91,20.11,10.95,7.11,3.28,22.76,10.97,13.53,--,37.97,--,13.55,47.11,31.14,17.52,23.43,2.29, 成本费用利润率(%),49.17,50.35,37.38,36.21,40.23,24.62,19.29,19.99,22.82,26.85,23.29,23,34.97,18.26,22.63,10.26,0.86, 营业利润率(%),32.84,33.27,26.04,26.18,28.02,18.72,16.22,16.74,18.67,19.99,18.99,18.78,24.91,15.14,18.57,9.33,0.88, 主营业务成本率(%),51.43,52.17,56.1,56.19,55.42,56.96,60.05,60.97,58.2,57.41,56.9,58.44,53.16,58.63,53.4,64.53,69.98, 销售净利率(%),26.45,26.6,21.26,20.31,22.12,15.1,12.18,12.44,13.97,16.06,14.18,14.06,19.57,11.15,13.92,6.39,0.64, 净资产收益率(%),3.39,20.5,11.99,8.28,3.57,17.14,8.32,15.82,--,40.65,--,17.75,47.77,35.08,21.47,17.35,51.38, 股本报酬率(%),40.84,249.78,121.55,86.35,59.03,282.08,120.24,122.04,53.99,276.27,123.91,85.4,229.7,151.48,--,--,--, 净资产报酬率(%),3.58,22.74,12.39,9.22,3.57,17.66,8.32,16.66,--,41.44,--,17.75,47.77,35.08,21.47,17.35,51.38, 资产报酬率(%),2.89,17.89,9.85,7.06,3.24,15.87,7.69,13.96,--,32.93,--,12.72,39.02,24.7,15.99,12.29,2.29, 销售毛利率(%),--,--,--,--,--,--,--,39.03,--,42.59,--,41.56,46.84,41.02,46.6,35.94,30.02, 三项费用比重(%),12.53,13.4,15.94,16.03,16.72,23.2,23,21.77,22.75,21.88,23.69,22.47,21,25.24,27.66,25.18,29.05, 非主营比重(%),2.97,3.19,5.82,1.93,4.39,6.62,0.75,1.03,0,6.82,-0.35,-0.03,4.88,2.78,0.27,-1.03,-3.38, 主营利润比重(%),137.65,133.99,151.82,158.45,149.71,210.6,240.23,227.51,219.34,195.69,224.21,217.54,176.16,263.19,249.2,381.34,3509.88,