报告日期,2021-12-31,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31, 总资产利润率(%),5.19,5.53,1.44,-1.49,0.05,3.05,3.26,2.41,0.52,0.3,4.42,12.02,17.58,12.79, 主营业务利润率(%),21.28,24.55,20.14,2.08,13.2,26.13,21.65,18.77,17.38,17.62,19.52,28.78,34.45,25.25, 总资产净利润率(%),5.05,5.36,1.45,-1.55,0.05,3,3.29,2.42,0.53,0.3,5.19,13.98,21.26,12.79, 成本费用利润率(%),13.75,16.4,4.73,-5.77,0.33,10.71,9.33,7.16,1.67,1.18,13.38,22.71,31.71,17.87, 营业利润率(%),10.53,13.32,4.57,-6.78,0.43,9.57,8.87,6.93,1.54,1.16,11.85,18.12,23.39,14.72, 主营业务成本率(%),78.05,74.39,79.12,96.67,85.51,73.02,77.94,80.77,82.22,82.02,80.37,70.79,64.99,74.49, 销售净利率(%),11.2,11.44,4.33,-5.22,0.15,7.47,7.25,5.69,1.43,0.9,10.43,15.72,21,12.77, 净资产收益率(%),7.63,8.59,2.62,-2.39,0.24,4.61,5.26,3.96,0.89,0.5,7.36,31.76,49.49,39.81, 股本报酬率(%),145.87,135.47,101.67,78.29,81.19,82.56,77.49,62.31,40.85,67.29,82.13,--,--,--, 净资产报酬率(%),52.06,48.59,40.18,30.81,31.02,31.58,30.85,25.83,17.93,13.54,16.51,45.88,60.33,39.81, 资产报酬率(%),35.52,31.23,22.38,17.45,19.55,21.46,19.54,15.97,10.58,8.15,9.9,17.62,22.15,12.79, 销售毛利率(%),--,--,--,3.33,14.49,26.98,22.06,19.23,17.78,17.98,19.63,29.21,35.01,25.51, 三项费用比重(%),6.14,5.77,10.76,9.64,12.2,11.25,12.16,12.03,13.09,12.13,11.1,10.35,9.93,9.59, 非主营比重(%),20.41,4.52,-13.02,-22.79,49.69,-6.17,-2.59,-4.39,-6.75,32.22,42.46,2.49,2.17,2.36, 主营利润比重(%),182.34,184.25,469.27,-33.56,4095.74,286.61,256.38,281.22,1086.71,1576.92,159.25,155.39,143.94,167.54,