报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 总资产利润率(%),0.87,3.8,3.77,2.92,0.89,6.36,5,2.04,0.18,2.93,2.56,1.17,0.16,5.53,5.37,4.28,1.51,5.59,--,--,6.52,2.96,60.8, 主营业务利润率(%),25.42,23.85,26.04,26.22,25.45,26.92,27.14,25.44,20.82,20.59,21.52,19.42,19.28,25.12,27.22,27.75,27.11,27.5,29.04,28.43,24.78,21.47,11.78, 总资产净利润率(%),0.9,4.35,4.33,2.93,0.89,6.6,5.2,2.1,0.18,3.05,2.65,1.2,0.17,5.8,5.61,4.2,1.48,6.13,--,--,6.6,2.94,60.8, 成本费用利润率(%),13.44,11.19,16.64,15.18,10.86,14.72,15.71,10.55,3.19,8.23,8.88,6.62,2.44,15.11,20.04,21.54,18.26,15.22,19.03,16.77,15,7.84,161.24, 营业利润率(%),12.02,10.06,14.22,13.17,9.69,12.94,13.7,9.52,3.15,7.61,7.87,5.79,2.73,13.41,16.15,16.64,13.96,13.63,16.6,15.64,12.85,7.65,159.34, 主营业务成本率(%),74.04,75.39,73.19,73.08,73.77,72.68,72.48,74.18,78.76,78.88,77.96,79.98,80.1,74.37,72.3,71.78,72.35,72.13,70.85,71.47,75.04,78.35,88.06, 销售净利率(%),9.21,8.06,11.19,10.34,7.4,10.26,10.78,7.07,1.52,5.94,6.82,5.23,1.82,11.27,14.36,15.43,13.26,11.27,13.65,12.26,10.64,6.13,135.08, 净资产收益率(%),1.14,4.84,4.89,4.22,1.25,9.07,7.31,3.04,0.27,4.04,3.47,1.58,0.21,7.07,6.81,5.61,2.04,7.71,--,--,8.76,4.25,84.15, 股本报酬率(%),7.3,129.12,29.41,131.61,6.22,148.8,35.47,114.22,1.2,112.28,16.31,97.66,0.99,118.41,32.07,--,--,--,--,--,--,--,--, 净资产报酬率(%),1.19,21.31,4.9,27.18,1.25,30.31,7.24,24.95,0.26,23.92,3.47,21.24,0.21,25.09,6.81,25.42,21.87,26.22,--,--,27.37,22.6,84.1, 资产报酬率(%),0.87,16.74,3.77,18.84,0.89,21.5,5,16.89,0.18,17.47,2.56,15.66,0.16,19.63,5.37,19.42,16.21,19,--,--,20.35,15.7,60.8, 销售毛利率(%),--,--,--,--,--,--,--,25.82,21.24,21.12,22.04,20.02,19.9,25.63,27.7,28.22,27.65,27.87,29.15,28.53,24.96,21.65,11.94, 三项费用比重(%),13.58,13.01,11.08,12.38,13.31,12.69,12.74,14.59,15.76,12.36,13.18,14.44,17.53,13.24,11.59,11.73,13.24,14.28,12.53,12.92,11.81,13.7,10.29, 非主营比重(%),-1.17,3.45,5.2,4.74,-1.27,-0.59,2.07,7.13,-8.27,2.56,9.36,19.53,8.59,5.88,7.96,13.01,12.63,-0.86,-3.78,-9.18,1.1,-3.96,98.97, 主营利润比重(%),214.52,239.16,183.98,200.53,266.69,213.21,201.86,270.47,688.41,272.81,264.54,308.59,804.58,188.72,161.03,153.34,172.39,208.29,182.77,200.65,189.8,296.83,7.42,