报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 总资产利润率(%),2.17,1.48,0.73,2.38,1.85,1.32,0.64,3.07,2.8,1.8,0.82,3.45,3.13,1.94,0.92,4.5,3.71,2.17,0.85,4.75,--,2.9,--,4.93,6.79,7.85,8.89,9.93, 主营业务利润率(%),26.28,25.99,23.62,27.84,29.54,30.33,32.2,31.76,31.57,32.07,30.63,31.49,31.32,31.24,30.25,34.41,34.65,34.19,33.05,36.68,36.78,36.4,36.44,34.74,39.8,40.68,43.76,45.01, 总资产净利润率(%),2.18,1.5,0.72,2.7,2.03,1.37,0.64,3.21,2.83,1.81,0.82,3.69,3.25,1.99,0.92,4.61,3.79,2.19,0.84,5.39,--,2.94,--,5.13,7.34,8.46,9.98,9.93, 成本费用利润率(%),9.88,10.59,9.86,10.6,10.97,11.51,12.57,12.37,14.67,14.6,13.7,13.67,15.24,13.75,12.75,17.87,20.07,18.06,14.26,20.56,21.82,21.09,13.49,16.47,21.04,22.31,27.97,30.85, 营业利润率(%),8.51,9.13,8.13,9.17,9.45,9.86,10.84,9.77,11.31,10.78,8.58,11.39,12.55,12.09,11.42,15.34,15.52,13.99,12.16,17.26,18.04,17.67,13.51,12.8,16.57,17.66,19.6,21.37, 主营业务成本率(%),73.21,73.52,75.9,71.58,69.93,69.09,67.45,67.69,67.88,67.3,68.94,67.78,68.03,68.05,69.15,64.71,64.49,64.91,66.15,62.45,62.53,62.93,63.01,64.75,59.71,59,55.94,54.81, 销售净利率(%),8.01,8.45,7.89,8.1,8.51,9.01,9.15,9.1,10.72,10.6,10.11,9.98,11.13,10.51,10.09,13.19,14.8,13.59,10.49,14.56,15.3,14.91,9.85,12.4,15.11,15.78,19.12,20.5, 净资产收益率(%),3.57,2.45,1.18,3.97,2.95,2.51,1.13,5.56,4.78,3.08,1.39,5.93,5.11,3.15,1.42,7.02,5.83,3.4,1.29,7.41,--,5.02,--,8.71,12.12,13.56,15.2,18.25, 股本报酬率(%),14.91,232.6,4.89,231.69,11.79,272.6,4.29,254.34,17.72,320.91,6.57,306.24,23.68,342.68,8.41,328.76,33.61,275.49,7.26,277.69,--,--,--,--,--,--,--,--, 净资产报酬率(%),3.57,54.57,1.18,56.5,2.95,71.07,1.13,68.02,4.78,67.75,1.39,65.51,5.11,58.05,1.42,56.28,5.83,49,1.29,49.98,--,59.13,--,59.51,12.12,13.56,15.2,18.25, 资产报酬率(%),2.17,32.97,0.73,33.93,1.85,37.38,0.64,37.48,2.8,39.56,0.82,38.1,3.13,35.75,0.92,36.1,3.71,31.25,0.85,32.03,--,34.2,--,33.66,6.79,7.85,8.89,9.93, 销售毛利率(%),--,--,--,--,--,--,--,--,--,32.7,31.06,32.22,31.97,31.95,30.85,35.29,35.51,35.09,33.85,37.55,37.47,37.07,36.99,35.25,40.29,41,44.06,45.19, 三项费用比重(%),12.28,11.9,10.69,13.11,15.13,16.02,17.72,16.05,15.2,15.88,16.5,14.9,13.81,19.36,20.03,19.6,18.98,20,20.67,18.93,18.52,18.65,22.93,21.1,22.86,22.47,22.87,22.9, 非主营比重(%),0.21,0.11,5.24,-1.2,-0.72,-0.05,-0.86,6.3,7.85,11.88,27.05,0.1,0.17,0.27,0.19,-0.78,8.26,9.74,2.66,-2.06,-1.13,-1.9,-15.81,10,5.18,3.21,11.43,11.08, 主营利润比重(%),309.41,285.55,275.13,307.96,314.66,307.58,299.53,304.64,257.29,262.08,260.46,276.26,249.08,257.84,264.39,225.99,204.74,220.58,264.57,216.92,206.24,209.86,312.41,244.31,227.8,222.94,197.78,187.29,