报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2012-12-31,2012-09-30,2011-12-31,2010-12-31,2009-12-31, 总资产利润率(%),1.91,8.65,7.02,5.98,1.59,8.42,7.41,5.07,1.89,9.39,6.97,4.04,1.72,7.81,5.65,3.24,1.16,6.36,4.17,2.65,1.05,6.03,5.1,3.23,1.5,5.16,5.29,3.93,--,9.42,6.87,5.35,12.53,--,21.97,19.92,9.52, 主营业务利润率(%),39.55,39.8,41.32,41.28,41.1,42.53,42.67,44.03,43.13,42.65,42.16,40.55,37.95,35.46,36.14,35.81,35.48,35.64,35.97,36.04,34.78,35.66,37.7,37.92,40.99,36.75,37.07,39.9,39.72,43.41,44.64,46.36,47.01,--,55.62,55.86,37.01, 总资产净利润率(%),1.93,9.15,7.34,6.11,1.6,9.45,7.45,5.05,1.89,9.83,7.2,4.14,1.73,8.13,5.78,3.27,1.17,6.55,4.24,2.68,1.06,5.89,4.95,3.14,1.5,6.21,5.44,4.02,--,9.95,7.14,5.54,13.22,--,24.4,22.97,9.52, 成本费用利润率(%),32.4,46.22,50.55,64.21,36.13,43.64,41.35,42.43,33.66,40.49,40.44,33.3,25.07,27.37,26.96,23.69,19.53,25.97,23.15,22.33,18.68,27.05,31.77,29.62,31.97,26.91,28.68,32.16,24.95,36.85,37.31,42.57,49.52,--,74.02,56.86,31.71, 营业利润率(%),23.05,32.95,35.7,44.4,24.13,29.59,27.44,28.18,22.95,27.29,27.49,24.78,19.64,21.75,21.48,19.16,15.56,20.24,18.12,17.61,15.16,20.76,23.14,21.53,22.68,19.68,20.94,22.98,19.24,25.38,26.15,29.23,29.79,--,42.25,34.67,16.94, 主营业务成本率(%),59.63,59.26,57.73,57.72,57.83,56.42,56.25,54.87,55.54,56.26,56.73,58.31,60.8,63.08,62.49,62.71,63.13,63.17,63.21,63.15,64.37,63.51,61.43,61.22,58.11,62.36,62.01,59.18,59.18,55.55,54.32,52.65,52.23,--,43.51,43.91,62.86, 销售净利率(%),20.41,29.14,31.67,39.18,22.43,26.21,24.52,24.76,20.42,22.48,22.52,19.35,16.9,19.14,18.87,16.43,13.54,18.12,16.36,15.79,13.72,17.68,20.62,19.51,20.76,18.19,17.33,18.82,18.31,23.08,22.21,24.85,29.03,--,36.05,30.89,23.44, 净资产收益率(%),2.13,9.66,7.82,7,1.99,10.6,7.93,5.48,2.03,10.11,7.5,4.43,1.82,8.33,6,3.45,1.23,6.75,4.43,2.84,1.11,6.36,5.37,3.48,1.58,5.5,5.62,4.18,--,10.02,7.27,5.71,13.24,--,23.96,19.08,11.71, 股本报酬率(%),12.01,173.19,42.18,149.32,9.27,157.52,33.68,127.23,8.52,139.24,30.43,109.18,7.14,117.53,22.33,92.43,6.63,146.97,22.94,116.93,5.73,125.06,26.98,102.51,8.41,107.76,27.71,115.83,8.5,--,--,--,--,--,--,--,--, 净资产报酬率(%),2.13,31.4,7.82,29.92,1.99,34.53,7.93,30.84,2.03,33.35,7.5,27.89,1.82,30.62,6,25.59,1.23,27.57,4.43,22.82,1.11,24.63,5.37,20.81,1.58,20.5,5.62,23.86,--,28.5,7.27,23.11,13.24,--,23.96,22.39,12.43, 资产报酬率(%),1.91,28.12,7.02,25.53,1.59,27.41,7.41,28.56,1.89,30.99,6.97,25.47,1.72,28.74,5.65,24.05,1.16,25.95,4.17,21.27,1.05,23.35,5.1,19.29,1.5,19.23,5.29,22.41,--,26.8,6.87,21.67,12.53,--,21.97,19.92,9.52, 销售毛利率(%),--,--,--,--,--,--,--,45.13,44.46,43.74,43.27,41.69,39.2,36.92,37.51,37.29,36.87,36.83,36.79,36.85,35.63,36.49,38.57,38.78,41.89,37.64,37.99,40.82,40.82,44.45,45.68,47.35,47.77,--,56.49,56.09,37.14, 三项费用比重(%),11.19,12.21,13.36,11.81,12.25,12.31,12.02,12.28,14.62,11.02,11.11,14.86,16.61,16.41,16.08,16.68,17.25,16.38,17.59,18.09,20.38,14.84,12.44,13.7,14.92,15.84,15.39,14.96,17.83,16.65,16.77,15.49,15.37,--,13.35,21.79,18.48, 非主营比重(%),3.01,32.47,39.15,45.36,13.26,18.9,10.1,8.78,7.88,9.6,8.87,8.42,4.74,12.45,10.41,9.08,9.61,10.6,12.74,14.38,19.58,13.86,2.57,4.06,4.03,7.54,6.75,4.81,1.3,5.97,2.86,0.68,12.01,--,1.11,8.46,32.6, 主营利润比重(%),170.37,118.94,113.43,91.17,159.91,139.65,148.78,152.03,179.21,154.04,151.18,163.86,192.41,160.02,167.68,186.9,222.15,170.01,190.37,196.67,217.52,166.48,158.77,168.96,173.42,172.64,165.07,165.26,203.82,160.84,165.84,157.54,138.85,--,130.18,149,143.26,