报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2007-12-31, 总资产利润率(%),1.69,6.79,4.9,3.28,1.39,7.06,5.7,4.22,1.77,6.51,5.82,4.23,2.2,8.7,7.84,5.82,2.25,7.58,6.37,4.11,1.8,5.38,4.29,2.63,0.92,3.69,3.62,2.14,0.79,3.5,2.74,1.62,0.46,2.85,2.74,1.71,0.48,2.55,2.75,2.48,1.09,4.71,4.01,2.99,3.43,11.43,--,--,--,11.96,14.85, 主营业务利润率(%),19.72,22.53,22.46,23.16,19.6,21.67,21.7,22.14,19.51,20.04,20.1,20.89,19.71,20.88,21.32,22.23,22.13,21.83,21.79,21.65,21.24,20.36,20.08,20.34,19.87,20.37,20.39,20.09,19.84,19.14,18.76,17.91,17.47,17.4,17.61,17.09,15.16,16.44,16.98,18.66,17.72,21.38,21.65,23.05,22.08,23.26,23,--,22.52,23.5,25.5, 总资产净利润率(%),1.73,7.83,5.53,3.51,1.39,7.85,6.28,4.58,1.76,8.24,7.15,5.12,2.27,9.88,8.57,6.17,2.32,8.09,6.66,4.22,1.8,5.65,4.43,2.69,0.93,4.05,3.68,2.14,0.79,3.67,2.87,1.67,0.47,2.88,2.75,1.71,0.48,2.59,2.77,2.56,1.11,6.94,5.94,4.42,3.63,13.06,--,--,--,13.59,14.85, 成本费用利润率(%),12.12,12.11,12.43,12.94,11.83,11.39,13.16,14.36,10.64,10.74,13.11,13.89,11.82,11.71,13.3,14.23,12.8,11.62,12.65,12.37,11.67,8.54,8.77,8.05,7.29,6.8,7.63,6.69,5.75,6.09,5.95,4.94,4.12,5.85,7.47,6.72,4.66,5.6,8.08,11.6,11.67,12.38,14.56,16.4,16.04,14.16,13.86,--,17,12.35,14.41, 营业利润率(%),10.35,10.38,10.6,10.97,10.28,9.63,11.06,12.02,9.28,9.3,11.17,12.14,10.59,10.51,11.7,12.36,11.1,10.15,11.16,11.09,11.26,7.74,8.02,7.5,6.74,6.02,6.95,6.16,5.39,5.59,5.51,4.75,3.96,4.41,5.74,5.22,4.19,4.32,6.61,9.25,9.46,9.48,11,13.3,12.5,10.42,9.84,--,10.68,10.13,11.74, 主营业务成本率(%),80.14,77.07,77.14,76.56,80.19,77.75,77.8,77.39,80.05,79.38,79.35,78.59,79.8,78.37,77.97,77.08,76.84,77.38,77.68,77.71,77.98,78.92,79.48,79.3,79.92,79.11,79.06,79.37,79.64,80.44,80.87,81.7,82.41,82.2,82.01,82.41,83.8,83.14,82.61,80.94,82.08,78.44,78.22,76.84,77.77,76.5,76.74,--,77.06,76.24,74.45, 销售净利率(%),8.65,9.01,9,9.39,8.62,8.78,9.55,10.45,8.27,8.82,10.18,11.11,9.06,9.25,10.52,11.38,9.56,9,9.88,9.86,9.01,6.77,7.18,6.9,5.31,5.37,6.15,5.64,4.45,4.84,5.2,4.67,3.14,4.78,6.09,5.72,3.56,4.68,6.61,9.22,9,9.77,11.21,12.43,12.62,11.15,11.19,--,12.9,9.51,11.7, 净资产收益率(%),3.54,13.06,10.22,6.46,2.47,14.55,12.84,9.44,3.63,13.87,11.58,8.38,3.57,13.49,12.14,8.72,3.34,11.21,9.03,5.85,2.49,7.51,5.85,3.59,1.22,4.83,4.86,2.82,1.03,4.59,3.67,2.14,0.59,3.45,3.27,2.08,0.59,3.11,3.27,3.1,1.33,5.68,5.03,3.74,7.35,23.44,--,--,6.08,24,29.79, 股本报酬率(%),12.07,90.3,31.43,60.73,6.94,77.7,29.65,61.87,7.43,65.81,22.74,30.41,5.83,34.86,18.19,24.91,4.6,25.74,29.31,43,7.54,48.39,17.46,33.1,7.15,67.29,25.9,52.63,8.08,84.49,28.4,56.32,4.47,58.52,25.23,43.79,4.34,49.5,24.92,46.44,15.23,92.78,55.03,66.11,--,--,--,--,--,--,--, 净资产报酬率(%),3.32,24.99,9.89,20.7,2.45,31.12,12.92,28.03,3.65,33.54,11.8,16.37,3.54,21.92,12.24,17.41,3.42,19.87,9.11,13.85,2.52,16.04,5.89,11.46,1.24,11.91,4.96,10.29,1.03,10.9,3.7,7.46,0.58,7.65,3.3,5.81,0.57,6.57,3.3,6.18,1.34,8.27,5,6.08,7.25,33.08,--,--,--,34.92,29.79, 资产报酬率(%),1.69,13.32,4.9,10.6,1.39,14.92,5.7,12.27,1.77,15.56,5.82,8.07,2.2,14.01,7.84,11.47,2.25,13.37,6.37,9.67,1.8,11.5,4.29,8.36,0.92,8.84,3.62,7.64,0.79,8.15,2.74,5.62,0.46,6.21,2.74,4.79,0.48,5.4,2.75,4.89,1.09,6.91,4.01,4.9,3.43,16.23,--,--,--,17.4,14.85, 销售毛利率(%),--,--,--,--,--,--,--,22.61,19.95,20.62,20.65,21.41,20.2,--,22.03,22.92,23.16,22.62,22.32,22.29,22.02,21.08,20.52,20.7,20.08,--,20.94,20.63,20.36,--,19.13,18.3,17.59,--,17.99,17.59,16.2,16.86,17.39,19.06,17.92,21.56,21.78,23.16,22.23,23.5,23.26,--,22.94,23.76,25.55, 三项费用比重(%),5.14,7.68,7.66,7.95,6.63,7.1,6.01,5.97,7.18,6.67,5.36,8.51,10.05,11.34,11.12,10.63,11.06,11.85,11.55,11.91,13.77,13.1,13.27,14.59,13.4,13.79,13.36,13.61,14.5,13.22,13.01,12.61,13.5,12.55,11.66,11.53,10.97,11.46,10.13,9.04,8.27,11.56,10.29,9.22,9.58,12.47,12.95,--,11.84,13.33,13.41, 非主营比重(%),7.14,6.4,2.26,3.27,2.66,0.37,-0.59,-0.82,1.34,-2.1,-1.45,0.43,0.77,11.84,15.4,11.28,2.76,11.92,12.83,17.68,30.79,21.26,19.56,29.11,5.09,8.71,5.7,4.39,1.97,6.67,3.54,-1.61,-0.1,20.73,18.27,17.69,6.07,18.73,12.19,11.75,10.49,15.04,14.73,5.89,10.96,17.51,21.05,--,29.69,8.74,7.35, 主营利润比重(%),190.46,218.5,212.02,211.14,190.42,222.73,195.68,183.83,209.11,215.38,179.75,171.67,184.62,197.16,178.52,176.68,194.42,208.79,191.96,193.98,196.68,257.23,245.63,268.04,291.32,320.73,287.65,321.17,364.32,334.19,334.61,382.8,440.97,312.74,250.78,269.47,339.64,308.89,225.69,177.97,167.74,191.48,167.75,163.11,157.3,184.17,184.45,--,148.29,211.73,201.31,