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(%),2.52,2.54,1.27,4.18,3.85,2.55,0.93,5.76,3.81,2.78,--,5.61,--,4.63,2.85, 主营业务利润率(%),20.82,21,21.48,22.88,23.51,24.25,23.7,21.07,100,19.8,21.95,22.22,100,23.93,22.46, 总资产净利润率(%),3.21,2.97,1.41,5.24,4.58,3,1,5.85,3.85,2.79,--,6.29,--,4.89,2.85, 成本费用利润率(%),11.84,13.53,14.98,13,14.83,15.51,13.51,12.02,--,9.83,10.19,12.35,--,11.5,7.65, 营业利润率(%),10.07,11.54,12.85,11.39,12.72,13.07,11.77,10.7,9.15,8.66,8.8,11.1,9.18,10.19,7.79, 主营业务成本率(%),78.65,78.53,77.93,76.4,75.93,75.22,75.76,78.28,--,79.4,77.56,77.11,--,75.45,76.62, 销售净利率(%),9.27,9.79,10.75,9.57,10.54,11.06,9.67,8.91,7.61,7.39,7.5,8.86,7.39,7.67,5.48, 净资产收益率(%),6.07,8.25,3.59,9.91,8.11,5.36,1.6,13.91,9.56,7.08,--,14.66,--,16.63,14.56, 股本报酬率(%),85.51,362.4,39.66,346.47,84.3,267.95,16.37,371.25,75.35,378.11,--,--,--,--,--, 净资产报酬率(%),5.28,27.76,3.04,32.67,8.11,26.54,1.6,44.89,9.56,49.37,--,14.66,--,16.63,14.56, 资产报酬率(%),2.52,10.29,1.27,13.77,3.85,12.64,0.93,18.58,3.81,19.36,--,5.61,--,4.63,2.85, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,--,22.89,--,24.55,23.38, 三项费用比重(%),7.89,6.32,7.1,7.99,7.53,7.21,8.03,8.95,0,7.83,9.08,9.73,0,10.69,11.34, 非主营比重(%),2.84,0.58,0.51,-3.51,-2.5,-2.37,-2.88,8.49,0,12.9,16.59,1.23,0,-0.27,-15.95, 主营利润比重(%),201.94,181.93,167.48,206.87,188.69,188.48,207.92,199.4,1101.56,228.82,247.16,205.59,1127.64,239.94,330.18,