报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-03-31,2017-12-31,2016-12-31, 总资产利润率(%),9.8,6.34,2.88,10.3,8.5,5.72,1.99,10.13,8.59,7.72,4.06,6.32,--,--,7.74,1.28, 主营业务利润率(%),21.65,22.22,23.28,25.55,25.76,26.78,26.3,27.05,28.15,28.68,100,24.22,23.64,100,20.77,20.34, 总资产净利润率(%),10.39,6.49,2.97,12.25,9.64,5.93,1.99,12.79,10.22,7.8,3.82,6.85,--,--,8.74,1.28, 成本费用利润率(%),10.89,10.06,10.24,9.54,11.29,10.99,8.46,9.75,11.58,11.61,--,4.26,1.67,--,4.34,1.6, 营业利润率(%),9.53,8.85,8.89,8.43,9.79,9.5,7.6,8.66,10.02,9.99,9.56,3.79,1.48,2.94,4.03,1.01, 主营业务成本率(%),78.14,77.55,76.56,74.26,74.07,73.12,73.58,72.64,71.37,70.84,--,75.55,76.18,--,79.03,79.41, 销售净利率(%),8.03,7.56,7.09,7.09,7.9,7.9,6.27,7.09,7.75,7.78,7.62,2.89,0.98,2.04,3.38,0.74, 净资产收益率(%),22.47,14.98,7,25.6,20.09,12.35,4.1,21.73,16.8,18.06,9.11,16.79,--,--,21.02,3.24, 股本报酬率(%),358.37,249.04,99.67,363.47,246.63,161.37,44.26,242.89,163.29,129.63,51.91,--,--,--,--,--, 净资产报酬率(%),22.27,17.2,6.95,27.67,20.21,14.59,4.08,23.51,16.85,20.59,9.1,19.01,--,--,22.43,5.57, 资产报酬率(%),9.8,7.31,2.88,11.19,8.5,6.75,1.99,10.95,8.59,8.81,4.06,7.2,--,--,8.23,1.61, 销售毛利率(%),--,--,--,--,--,--,--,--,--,29.16,--,24.45,--,--,20.97,20.59, 三项费用比重(%),9.28,10.33,10.4,14.31,13.13,14.14,15.3,15.35,15.16,15.22,0,13.83,14.69,0,13.91,15.73, 非主营比重(%),-5.29,-5.37,-7.16,-1.14,-0.49,-0.24,-3.68,-14.2,-18.74,-30.75,0,-54.14,-82.9,0,2.5,39.03, 主营利润比重(%),226.75,250.75,260.95,301.68,261.3,278.85,349.17,314.15,279.5,285.38,1042.48,634.15,1556.6,3382.84,514.01,1330.91,