报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),7.37,4.93,2.25,5.74,4.58,2.61,0.99,8.17,6.39,4.64,1.92,7.67,5.39,3.4,1.54,6.54,7.13,4.81,--,9.89,--,8.8,3.59,11.3,7.94,8.81, 主营业务利润率(%),30.97,30.49,30.56,26.87,28.58,28.89,27.78,30.11,30.84,30.84,29.62,27.96,27.71,28.21,29,29.6,29.72,30.02,33.28,32.43,31.24,33.32,33.74,31.96,30.17,29.35, 总资产净利润率(%),8.03,5.29,2.41,5.95,4.69,2.58,0.99,8.45,6.6,4.68,1.92,7.77,5.45,3.41,1.57,8.26,7.75,5.03,--,10.89,--,8.94,3.56,11.9,8.16,8.81, 成本费用利润率(%),22.09,21.11,23.95,13.12,15.35,14.77,15.64,20.77,23.37,22.28,20.19,17.83,17.74,14.35,15.07,15.95,16.48,16.13,17.22,20.22,16.73,18.29,15.43,20.18,17.28,18.88, 营业利润率(%),17.44,16.97,18.73,11.45,13.13,12.52,12.94,16.68,18.24,17.62,16.37,15.04,15.02,13.06,13.8,13.68,14.15,13.93,14.79,15.89,13.61,14.43,12.09,16.27,13.9,13.88, 主营业务成本率(%),68.15,68.59,68.69,72.55,70.82,70.45,71.3,69.2,68.35,68.36,69.58,71.09,71.22,70.93,70.15,69.53,69.37,69.05,65.86,66.64,68.01,65.98,65.22,67.48,69.33,69.98, 销售净利率(%),15.41,15.09,16.31,9.93,11.1,10.58,11.03,14.29,15.63,15.08,13.99,12.69,12.53,10.83,11.39,11.88,12.4,12.07,12.07,14.38,12.29,13.2,11.4,14.27,12.68,14.11, 净资产收益率(%),10.07,6.73,3.04,8.17,6.5,3.54,1.33,11.16,8.94,6.37,2.56,10.45,7.56,4.83,2.24,9.42,12.34,8.05,--,15.98,--,13.54,5.75,19.1,14.14,16.68, 股本报酬率(%),45.08,79.44,14.7,83.95,25.33,60.22,5.22,85.19,33.55,59.34,9.48,72.32,26.55,47.92,9.97,77.86,--,--,--,--,--,--,--,--,--,--, 净资产报酬率(%),10.07,18.41,3.04,21.1,6.5,15.91,1.33,22.09,8.94,16.28,2.56,20.03,7.56,14.06,2.24,17.91,12.34,22.45,--,29.83,--,13.54,5.75,19.1,14.14,16.68, 资产报酬率(%),7.37,13.49,2.25,14.83,4.58,11.76,0.99,16.17,6.39,11.86,1.92,14.69,5.39,9.92,1.54,12.44,7.13,13.4,--,18.47,--,8.8,3.59,11.3,7.94,8.81, 销售毛利率(%),--,--,--,--,--,--,--,--,--,31.64,30.42,28.91,28.78,29.07,29.85,30.47,30.63,30.95,34.14,33.36,31.99,34.02,34.78,32.52,30.67,30.02, 三项费用比重(%),9.39,10.36,8.79,12.38,12.54,11.54,10.56,9.63,9.05,9.94,10.69,9.41,9.15,15.85,16.85,15.7,15.4,15.82,18.31,15.18,16.08,17.62,19.5,15.39,16.21,14.77, 非主营比重(%),1.94,1.81,0.43,2.89,0.76,-1.5,0,0.91,1.78,1.54,2.14,-0.82,1.27,0.75,2.98,1.62,1.28,1.23,1.02,5.02,4.08,6.66,9.2,3.87,6.51,13.96, 主营利润比重(%),178.8,180.85,163.13,239.45,221.71,236.77,214.62,182.33,168.74,175.05,180.93,192.48,191.79,224.34,219.06,215.55,210.49,216.85,227.32,193.84,220.11,216.04,254.91,189.79,202.94,182,