报告日期,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2017-12-31,2016-12-31,2015-12-31,2015-09-30,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),5.06,3.59,1.37,10.84,8.21,5.51,--,11.59,--,4.9,12.54,10.21,8.85,6.33,9.62,5.31,7.82, 主营业务利润率(%),28.78,28.51,27.86,29.63,29.64,29.68,28.08,30.01,30.01,29.33,33.43,35.48,32.38,31.8,31.96,27.61,29.99, 总资产净利润率(%),6.21,4.35,1.66,11.21,8.22,5.55,--,11.91,--,5.06,13.6,11.06,8.9,6.32,9.66,5.44,7.82, 成本费用利润率(%),15.83,16.69,14.32,17.19,16.47,16.38,13.55,16.05,16.05,12.73,18.27,17.65,14.95,13.47,13.9,7.81,12.34, 营业利润率(%),13.35,14.01,12.18,14.41,13.82,13.81,11.68,14.36,14.36,12.97,15.07,14.23,11.26,10.62,11.21,5.22,7.93, 主营业务成本率(%),70.58,70.81,71.41,69.58,69.61,69.62,71.17,69.14,69.14,69.77,65.67,63.71,66.71,67.25,67.24,71.72,69.32, 销售净利率(%),11.76,12.44,10.82,12.74,12.51,12.26,10.53,11.64,11.64,9.19,12.95,12.98,11.43,10.57,10.52,6.31,9.94, 净资产收益率(%),5.83,4.08,1.56,13.69,10.1,7.11,--,15.17,--,7.1,17.63,14.04,11.77,8.61,14.13,8.87,13.4, 股本报酬率(%),49.46,240.64,15.55,415.8,364.13,329.8,22.47,106.55,106.55,45.48,109.04,74.94,--,--,--,--,--, 净资产报酬率(%),5.83,28.88,1.56,53.29,48.62,45.51,--,15.17,--,7.1,17.63,14.04,11.77,8.61,14.13,8.87,13.4, 资产报酬率(%),5.06,25.37,1.37,42.19,39.55,35.27,--,11.59,--,4.9,12.54,10.21,8.85,6.33,9.62,5.31,7.82, 销售毛利率(%),--,--,--,--,--,--,--,30.86,--,30.23,34.33,36,33.29,32.75,32.76,28.28,30.68, 三项费用比重(%),12.7,12.33,12.7,12.88,13.13,13.33,14.03,12.53,12.53,12.68,14.63,20.43,20.45,20.05,19.85,21.56,21.7, 非主营比重(%),7.13,5.53,-0.05,-0.37,-0.24,-0.56,0.1,-8.22,-8.22,-21.98,-1.37,5.09,14.45,10.63,8.2,28.85,29.93, 主营利润比重(%),216.59,203.84,229.33,207.06,215.59,216.52,241.07,226.64,226.64,276.43,225.33,236.67,245.82,267.57,261.58,376.52,265.07,