报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2009-12-31,2008-12-31, 总资产利润率(%),2.36,7.6,6.94,5.01,2.14,5.02,3.04,2.44,1.44,4.67,4.31,3.54,2.57,3.75,3.29,2.27,1.29,5.54,3.97,2.6,1.34,4.4,6.63,4.4,2.11,6.23,5.93,4.6,2.55,8.8,6.97,4.83,2.25,9.41,7.15,4.67,2.44,14.83,--,6.99,--,14.21,9.7,5.76, 主营业务利润率(%),18.18,22.17,23.66,25.27,27.79,23.94,22.54,21.55,20.47,23.03,23.78,23.2,24.78,22.19,22.54,21.03,21.74,21.31,21.26,21.02,22.04,21.17,22.14,22.49,22.3,21.02,20.69,21.09,22.4,22.92,23.91,24.11,24.72,23.56,24.24,24.39,24.37,23.64,--,23.45,--,25.59,26.91,25.45, 总资产净利润率(%),2.28,7.34,6.97,5.2,2.32,5.12,3.18,2.53,1.49,5.32,4.81,3.67,2.51,4.11,3.59,2.47,1.35,5.56,3.92,2.55,1.34,6.16,6.92,4.59,2.16,6.42,6.18,4.63,2.55,9.46,7.19,4.85,2.27,12.39,9.5,6.05,3.23,16.37,--,7.32,--,14.56,10.61,5.76, 成本费用利润率(%),9.24,10.33,14.16,16.87,16.7,8.66,7.72,8.64,9.42,8.47,11.16,11.96,14.54,7.05,8.47,8.65,10.66,8.56,8.88,8.81,9.55,7.86,8.71,9.3,9.04,6.02,8.15,9.05,9.91,9.45,9.98,10.08,9.8,11.07,11.85,11,12.78,10.61,--,9.4,--,10.56,9.43,8.24, 营业利润率(%),8.57,9.3,12.16,14.17,14.42,8.17,7.18,7.99,8.57,8.08,10.31,10.93,13.23,6.47,7.23,7.19,9.58,7.48,7.97,7.33,7.07,6.74,7.36,8.24,7.81,5.1,7.43,8.08,8.38,8.1,9.1,9.17,8.22,9.14,9.86,8.97,9.33,8.97,--,8.42,--,8.54,7.57,7.08, 主营业务成本率(%),81.09,77.19,75.69,74.1,71.51,75.41,76.85,77.82,78.99,76.37,75.61,76.19,74.62,77.21,76.85,78.34,77.57,78.19,78.51,78.73,77.71,78.6,77.64,77.24,77.47,78.63,78.98,78.57,77.13,76.75,75.74,75.51,74.9,76.12,75.42,75.27,75.29,76.06,--,76.31,--,74.15,72.65,73.87, 销售净利率(%),7.72,7.4,9.9,11.48,11.71,6.81,5.89,6.87,7.79,6.48,8.15,8.87,11.03,4.95,6.12,6.58,7.6,6.33,6.62,6.52,7.08,5.71,6.16,6.29,5.79,4.3,5.77,6.47,7.04,7.11,7.37,7.39,7.51,8,8.63,8.05,9.39,7.8,--,7.02,--,7.93,7.13,5.48, 净资产收益率(%),3.18,11.41,11.42,9.12,4.42,9.19,5.96,4.62,2.66,8.3,7.3,5.23,3.43,5.24,4.59,3.19,1.65,6.54,4.65,3.07,1.61,5.4,9.84,6.76,3.05,8.86,8.72,6.44,3.43,12.24,9.19,6.24,2.86,12.07,9.69,6.1,3.27,29.08,--,14.72,--,31.92,28.65,19.78, 股本报酬率(%),25.48,243.99,86.21,204.17,31.57,185.15,40.33,149.17,18.43,157.96,48.85,124.76,22.1,112.45,29.18,88,10.4,90.73,28.17,61.23,29.25,275.16,89.16,191.16,27.04,189.02,74.46,160.55,30.42,191.16,76.02,124.16,23.6,160.37,75.42,102.68,25.56,--,--,--,--,--,--,--, 净资产报酬率(%),3.18,31.83,11.42,27.93,4.42,27.09,5.96,21.86,2.66,23.4,7.26,18.87,3.41,17.39,4.56,13.99,1.63,14.56,4.64,10.21,1.61,11.76,9.82,21.96,2.96,21.46,8.66,18.51,3.41,22.16,9.17,15.46,2.85,19.97,9.65,13.65,3.27,47.25,--,33.17,--,49.74,28.89,19.94, 资产报酬率(%),2.36,21.2,6.94,15.36,2.14,14.77,3.04,11.56,1.44,13.24,4.31,12.88,2.57,12.53,3.29,10.05,1.29,12.36,3.97,8.67,1.34,9.58,6.63,14.36,2.11,15.4,5.93,13.31,2.55,16.04,6.97,11.99,2.25,15.65,7.15,10.46,2.44,24.1,--,15.76,--,22.14,9.7,5.76, 销售毛利率(%),--,--,--,--,--,--,--,22.18,21.01,--,24.39,23.81,25.38,22.79,23.15,21.66,22.43,--,21.49,21.27,22.29,--,22.36,22.76,22.53,--,21.02,21.43,22.88,--,24.26,24.49,25.1,--,24.58,24.73,24.71,23.94,--,23.69,--,25.85,27.35,26.13, 三项费用比重(%),11,12.37,10.94,10.03,12.99,17.48,15.82,14.13,12.4,16.03,14.57,14.79,14.57,15.96,16.06,14.83,13.87,14.35,14.21,14.56,15.31,14.36,15.03,14.53,14.9,16.78,14.2,14.28,14.12,14.47,14.96,14.97,16.34,14.38,14.34,15.49,15.01,14.65,--,15.02,--,17.11,19.05,18.31, 非主营比重(%),0.17,1.38,3.46,3.31,2.97,8.14,12.82,12.06,11.46,9.55,8.47,9.71,6.75,16.75,22.77,25.5,17.02,17.51,15.46,21.5,23.21,10.68,12.27,8.05,14.11,28.67,17.71,22.22,13.12,9.62,2.63,2.03,8.56,9.16,7.92,12.08,19.74,6.95,--,1.94,--,11.74,12.1,6.3, 主营利润比重(%),212.02,237.96,191.44,176.79,195.32,295.48,312.98,269.48,236.38,292.45,234.73,211.85,189.76,335.35,284.61,259.18,221.29,267.71,257.45,254.96,247.37,289.15,273.73,262.75,266.37,364.94,271.41,250.06,246.5,265.02,263.14,263.41,275.38,234.37,226.97,243.42,210.4,244.91,--,272.34,--,264.62,309.86,332.58,