报告日期,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31, 总资产利润率(%),1,3.79,6.48,3.19,6.18,4.17,3.3,0.96,3.64,3.83,4.72,4.53,9.37,9.78,16.19, 主营业务利润率(%),25.56,27.62,25.88,24.3,20.23,23.38,24.43,23,22.44,23.16,28.4,27.04,25.97,29.88,32.89, 总资产净利润率(%),1.06,3.86,6.89,3.62,6.98,4.81,3.72,1.01,3.75,4.39,4.67,6.64,9.81,11.75,16.19, 成本费用利润率(%),2.94,11.59,17.3,8.79,19.37,13,9.23,3.48,9.34,11.08,15.91,16.56,13.72,24.86,29.88, 营业利润率(%),2.97,10.48,15.29,7.77,18.13,10.91,7.99,2.2,7.47,9.59,13,13.67,11.82,20.02,22.85, 主营业务成本率(%),73.39,71.47,73.27,74.78,78.87,76.17,75.07,76.54,77.33,76.57,71.23,72.43,73.52,69.43,66.62, 销售净利率(%),2.25,7.6,13.08,6.8,15.78,9.3,7.82,2.43,7.65,8.77,11.41,11.62,11.01,14.26,17.37, 净资产收益率(%),3.59,8.5,14.68,6.81,13.24,7.71,4.93,1.97,6.37,6.74,6.61,6.63,23.28,28.84,43.73, 股本报酬率(%),176.89,176.56,186.79,138.01,110.24,75.18,150.72,108.48,97.36,81.29,128.88,102.89,--,--,--, 净资产报酬率(%),44.64,46.17,48.44,40.65,40.99,31.41,24.84,24.92,22.25,19.78,19.51,15.91,60.7,59.64,69.03, 资产报酬率(%),20.02,22.6,23.04,19.36,19.71,17.47,17.06,13.4,13.27,11.74,13.93,10.87,24.44,20.22,25.08, 销售毛利率(%),--,--,26.73,--,21.13,--,--,23.46,--,--,28.77,27.57,26.48,30.57,33.38, 三项费用比重(%),19.42,17.27,17.69,20.11,17.44,12.7,17.62,23.58,15.85,14.98,15.01,12.94,14.21,10.66,8.75, 非主营比重(%),122.68,6.16,65.98,96.9,87.08,19.29,34.27,98.89,32.32,25.43,5.69,3.96,2.44,0.31,-0.77, 主营利润比重(%),926.09,265.8,162.94,288.6,107.44,201.4,283.96,657.2,257.35,227.51,206.06,190.1,214.51,148.79,145.12,