报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-03-31,2018-12-31,2017-12-31,2016-12-31, 总资产利润率(%),5.8,3.49,1.13,12.88,--,4.98,--,11.26,1.92,12.92,9.84,11.18, 主营业务利润率(%),14.7,14.33,14.67,16.64,16.93,17.86,14.1,18.32,17.6,18.63,20.69,23.16, 总资产净利润率(%),7.38,4.26,1.36,13.62,--,5.21,--,11.91,1.96,12.68,10.06,11.18, 成本费用利润率(%),9.03,7.95,6.84,11.27,11.49,9.55,6.35,9.93,8.51,11.05,10.31,12.86, 营业利润率(%),8.09,7.26,6.67,9.83,10,8.4,5.91,8.71,7.54,9.8,9.1,11.44, 主营业务成本率(%),84.94,85.28,84.89,82.88,82.56,81.63,85.36,81.18,81.84,80.85,78.49,76.21, 销售净利率(%),6.96,6.21,5.22,8.4,8.56,7.28,5.2,7.57,6.63,8.42,7.61,9.11, 净资产收益率(%),8.04,4.49,1.42,19.51,--,8.4,--,18.88,3.55,23.8,28.04,29.4, 股本报酬率(%),68.89,145.34,11.51,--,--,--,--,--,--,--,--,--, 净资产报酬率(%),8.04,17.62,1.42,41.98,--,32.18,--,18.88,3.55,23.8,28.04,29.4, 资产报酬率(%),5.8,13.71,1.13,27.71,--,19.08,--,11.26,1.92,12.92,9.84,11.18, 销售毛利率(%),--,--,--,--,--,--,--,--,--,19.15,21.51,--, 三项费用比重(%),3.29,3.66,5.46,4.21,4.1,5.94,6.94,6.89,7.98,7.21,9.15,8.24, 非主营比重(%),-0.21,-1.75,-6.37,1.2,0.95,1.19,3.67,1.48,2.71,0.64,1.1,-4.32, 主营利润比重(%),183.73,201.8,236.09,168.74,169.03,212.27,239.18,208.22,228.7,190.35,226.87,211.67,