报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2017-12-31,2016-12-31, 总资产利润率(%),10.8,7.17,3.84,17.45,11.72,6.49,1.97,39.87,30.77,20.16,--,24.08,--,11.09,-4.3, 主营业务利润率(%),49.47,50.18,49.01,50.67,50.58,48.3,44.87,35.64,100,32.03,30.01,28.15,100,21.24,19.09, 总资产净利润率(%),11.78,7.7,3.92,27.91,18.66,10.16,3.02,48.32,36.74,24.17,--,32.7,--,15.48,-4.3, 成本费用利润率(%),46.92,51.11,53.43,53.56,56.81,46.69,33.69,29.67,--,28.6,24.35,14.9,--,8.66,-7.31, 营业利润率(%),30.65,32.6,33.3,34.36,35.4,30.56,23.84,22,22.93,21.47,18.8,12.52,10.59,7.2,-6.14, 主营业务成本率(%),50.12,49.26,50.36,48.68,48.75,51.12,54.47,63.88,--,67.5,69.47,71.21,--,78.36,80.79, 销售净利率(%),26.55,27.76,28.36,30.23,30.18,25.92,20.58,18.62,19.21,18.14,15.76,10.08,8.2,5.99,-6.14, 净资产收益率(%),12.58,8.48,4.23,19.25,13.59,7.45,2.1,52.73,45.13,35.48,--,43.98,--,24.87,-7.71, 股本报酬率(%),1521.27,1152.29,472.84,2196.36,1349.02,801.16,188.53,1674.16,1164.29,844.59,--,--,--,--,--, 净资产报酬率(%),12.58,10,4.23,20.58,13.59,8.64,2.1,56.38,45.13,38.87,--,47.58,--,27.62,-6.5, 资产报酬率(%),10.8,8.45,3.84,18.66,11.72,7.53,1.97,42.63,30.77,22.08,--,26.05,--,12.31,-3.63, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,--,28.79,--,21.64,19.21, 三项费用比重(%),14.79,13.97,11.32,14.81,12.91,13.76,15.66,9.79,0,7.15,7.2,12.15,0,4.43,3.06, 非主营比重(%),14.18,16.97,7.43,3.11,2.87,2.46,5.53,1.78,0,1.23,1.58,1.16,0,1.79,-0.38, 主营利润比重(%),161.41,153.93,147.2,147.49,142.88,158.01,188.16,162.01,436.06,149.14,159.63,224.89,944.51,294.78,-311.03,