报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-06-30,2017-12-31,2016-12-31,2015-12-31, 总资产利润率(%),15.13,9.77,4.98,12.71,9.84,6.27,2.14,15.78,--,7.78,--,13.33,6.51,8.39,3.63,2.07, 主营业务利润率(%),34.6,34.01,33.79,31.22,32.43,32.07,30.58,30.14,30.33,29.74,28.57,28.87,30.8,30.02,27.82,28.44, 总资产净利润率(%),16.76,10.28,5.13,15.84,12.07,7.53,2.55,17.14,--,8.31,--,14.48,7.02,8.92,3.51,2.07, 成本费用利润率(%),37.42,36.61,40.37,29.77,33.35,32.6,32.07,24.38,26.78,25.72,18.49,20.71,22.15,16.6,9.31,6.52, 营业利润率(%),25.47,24.82,26.28,21.27,23.23,22.55,21.17,18.58,20.19,19.64,14.5,16.16,16.72,13.09,4.4,1.17, 主营业务成本率(%),65.01,65.58,65.8,68.44,67.27,67.67,69.1,69.39,69.25,69.76,71.18,70.59,68.72,69.33,71.26,71.17, 销售净利率(%),22.36,21.47,23.17,18.8,20.12,19.46,19.64,17.42,18.44,17.6,12.82,14.29,14.15,11.4,6.36,4.69, 净资产收益率(%),19.28,12.18,6.08,15.59,12.06,7.62,2.59,24.17,--,13.17,--,22.28,12.12,15.34,7.24,4.78, 股本报酬率(%),167.27,216.65,47.04,223.78,84.02,151.06,16.92,--,--,--,--,--,--,--,--,--, 净资产报酬率(%),19.37,27.46,6.11,30.95,12.11,22.87,2.6,50.63,--,13.29,--,22.42,12.18,15.06,6.78,4.4, 资产报酬率(%),15.13,21.94,4.98,25.13,9.84,18.7,2.14,32.74,--,7.78,--,13.33,6.51,8.39,3.63,2.07, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,--,--,31.28,30.67,28.74,28.83, 三项费用比重(%),3.76,3.69,2.71,4.04,3.88,4.18,5.64,6.34,5.66,6.12,6.99,6.85,6.21,8.59,11.56,14.99, 非主营比重(%),1.75,2.79,5.5,4.59,4.94,7.17,15.46,0.17,0.15,0.18,0.45,0.2,-0.04,-0.08,35.78,80.78, 主营利润比重(%),133.73,133.33,121.44,144.04,136.11,136.42,127.07,162.26,150.3,151.41,197.08,178.77,184.34,230.22,356.79,504.08,