报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31,2011-06-30,2010-12-31,2009-12-31,2008-12-31, 总资产利润率(%),1.19,4.04,3.23,2.66,1.89,4.4,3.74,2.83,1.91,0.61,1.67,1.29,0.72,1.12,1.5,2.39,1.45,2.81,2.89,2.77,1.95,4.06,2.36,2.73,2.92,7.64,--,--,--,9.36,10.52,12.07,6.09,12.08,9.24,6.74, 主营业务利润率(%),34.69,32.94,35.56,35.63,43,44.44,50,50.26,50.99,20.26,20.8,21.23,23.65,23.06,24.5,24.22,26.05,24.84,25.55,25.53,27.06,25.08,25.77,26.23,28.94,27.77,26.25,27.19,29.52,26.49,29.66,28.4,28.25,29.22,28.71,27.61, 总资产净利润率(%),1.19,4.05,3.24,2.6,1.86,4.61,3.84,2.86,1.89,1.12,2.44,1.88,1.05,1.2,1.5,2.34,1.5,2.69,2.51,2.48,1.94,4.62,2.55,3.13,2.96,8.01,--,--,--,10.24,11.93,13.43,6.26,13.39,9.63,6.74, 成本费用利润率(%),29.51,28.99,32.95,37.77,63.75,36.01,42.97,47.21,57.04,11.61,13.73,14.81,14.35,3.41,4.82,8.67,10.51,7.06,8.86,11.1,13.61,8.02,7.02,11.37,15.5,11.53,7.27,11.47,19.52,13.86,16.33,15.93,14.34,17.23,15.17,10.96, 营业利润率(%),22.41,23.94,26.57,30.54,47.9,27.71,32.23,34.27,36.45,11.8,15.19,15.52,14.22,3.05,1.54,5.21,9.21,4.56,5.46,8.33,9.48,6.44,6.41,10.1,13.33,9.18,6.37,10.1,15.78,10.82,13.18,11.63,11.96,13.03,12.3,8.79, 主营业务成本率(%),62.34,63.73,60.87,60.74,52.91,51.45,45.82,45.55,45.08,79.22,78.75,78.23,76.16,76.43,74.98,75.31,73.75,74.97,74.26,74.29,72.72,74.5,73.79,73.31,70.56,71.66,73.43,72.41,70.14,72.8,69.85,71.26,71.47,70.49,71.15,72.29, 销售净利率(%),17.82,18.89,22.08,25.93,40.01,20.44,23.58,24.55,29.59,11.68,14.32,14.38,12.9,1.7,3.18,6.03,6.62,4.44,6.03,7.68,9.69,5.81,4.65,7.94,10.7,8.2,4.86,7.81,12.85,9.51,11.04,11.1,9.49,11.47,10.14,7.42, 净资产收益率(%),1.78,3.93,3.04,3.33,2.59,3.55,4.01,3.19,2.55,0.39,0.96,1.66,1.43,1.46,1.8,2.72,1.75,3.71,3.2,3.21,2.78,5.94,3.17,4.12,5.53,14.32,--,--,--,16.86,17.26,28.3,12.87,27.28,20.35,16.98, 股本报酬率(%),56.5,300.26,186.66,264.6,105.7,346.27,250.11,267.79,117.91,161.13,42.66,122.05,18.56,97.05,12.36,102.53,12.78,100.62,19.86,95.26,17.35,107.07,18.72,89.37,109.57,147.5,26.59,33.73,--,--,--,--,--,--,--,--, 净资产报酬率(%),1.92,10.4,5.41,7.46,3.01,10.17,6.19,6.74,3.39,2.93,5.86,16.99,2.63,14.96,1.9,15.61,1.94,15.58,3.1,14.85,2.74,16.91,3.05,14.4,21.92,29.34,--,--,--,30.8,17.26,28.14,30,26.99,20.36,17.31, 资产报酬率(%),1.19,6.28,3.23,4.82,1.89,6.01,3.74,4.14,1.91,1.54,1.67,4.78,0.72,10.2,1.5,13.04,1.45,12.2,2.89,13.04,1.95,11.95,2.36,9.84,11.79,16.3,--,--,--,17.39,10.52,12.07,14.29,12.08,9.24,6.74, 销售毛利率(%),--,--,--,--,--,--,--,54.45,54.92,20.78,21.25,21.77,23.84,23.57,24.18,24.69,26.25,--,25.74,25.71,27.28,--,26.21,26.69,29.44,28.34,26.57,27.59,29.86,27.2,30.15,28.74,28.53,29.51,28.85,27.71, 三项费用比重(%),10.55,12.77,16.23,16.48,18.11,14.98,17.67,15.61,14.88,25.66,36.81,32.48,32.26,20.8,25.16,21.75,17.46,19.62,22.04,19.05,17.58,17.73,20.09,17.62,14.91,17.87,19.85,16.93,13.71,15.5,15.74,16.5,16.75,16.08,16.06,18.81, 非主营比重(%),0.09,-2.95,0.26,0.29,0.03,-9.55,-10.84,-10.67,0.07,176.12,164.06,126.55,94.26,8.4,68.24,38.39,4.12,31.85,36.17,19.79,23.05,13.27,3.19,2.79,-0,11.6,6.45,1.89,4,12.27,6.24,17.11,5.76,12.93,7.17,12.08, 主营利润比重(%),154.98,142.31,133.79,116.65,89.8,174.9,171.93,162.89,139.9,165.58,130.62,128.82,151.71,692.63,505.2,286.51,271.23,371.38,298.81,245.87,219.7,337.46,388.99,252.48,217.14,267.4,385.71,264.04,179.57,214.74,211.04,202.4,222.61,195.23,216.69,276.19,