报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31, 总资产利润率(%),2.13,1.98,-0.66,5.8,2.15,1.95,-0.55,11.19,--,3.76,--,15.54,9.77,3.76,9.69,6.18,6.33, 主营业务利润率(%),54.7,54.87,55.28,50.35,53.15,49.93,100,55.38,58.98,56.27,100,54.13,60.47,60.15,59.62,62.97,57.31, 总资产净利润率(%),2.09,1.95,-0.65,7.39,2.67,2.44,-0.51,12.59,--,3.56,--,16.47,11.01,3.73,10.85,6.66,6.33, 成本费用利润率(%),13.89,19.74,-23.57,24.37,14.34,18.64,--,29.63,11.41,17.54,--,31.18,26.16,13.6,19.39,13.93,9.97, 营业利润率(%),10.18,13.71,-21.52,17.25,10.76,14.04,-12.18,19.78,7.88,12.68,-58.1,21.46,17.64,3.22,9.45,4.22,3.11, 主营业务成本率(%),44.55,44.5,44.39,49.07,46.32,49.64,--,43.59,40.22,43.1,--,44.86,38.4,38.55,38.92,35.4,41.61, 销售净利率(%),10.04,13.62,-21,16.13,11.08,14.45,-11.75,18.54,8.88,13,-57.97,19.37,15.68,13.49,15.86,11.83,10.68, 净资产收益率(%),2.31,2.16,-0.71,6.51,2.36,2.17,-0.7,16.49,--,4.44,--,21.33,17.75,5.43,15.08,8.89,8.44, 股本报酬率(%),29.08,39.66,-8.85,93.11,28.3,36.61,-5.03,132.58,27.55,40.37,-19.63,137.46,76.71,22.45,--,--,--, 净资产报酬率(%),2.31,3.16,-0.71,7.42,2.36,3.05,-0.7,18.29,--,6.37,--,21.33,17.75,5.43,15.08,8.89,8.44, 资产报酬率(%),2.13,2.89,-0.66,6.6,2.15,2.75,-0.55,12.42,--,5.4,--,15.54,9.77,3.76,9.69,6.18,6.33, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,--,55.14,61.6,61.45,59.74,64.6,58.39, 三项费用比重(%),28,24.28,46.33,21.31,28.81,25.93,0,23.4,34.08,29.11,0,23.18,30.23,58.31,50.5,59.55,53.75, 非主营比重(%),9.78,7.55,-14.47,8.99,26.11,18.9,0,9.84,37.78,19.62,0,5.69,10.1,85.11,51.18,83.53,69.63, 主营利润比重(%),537.22,400.51,-257.54,291.18,489.79,352.42,-822.89,274.74,688.54,440.41,-172.14,251.45,331.33,450.57,338.31,468.22,595.9,