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, 总资产利润率(%),5.54,1.62,1.62,3.34,4.82,0.77,-1.96,1.06,1.62,12.73,17.56,12.63,0.95,5.46, 主营业务利润率(%),17.41,6.2,5.65,5.1,9.51,6.55,2.29,3.02,2.62,9.93,16.03,12.33,3.22,7.11, 总资产净利润率(%),6.31,1.95,2.14,4.03,5.01,0.85,-2.03,1.16,1.86,14.79,20.58,12.66,1.15,5.46, 成本费用利润率(%),18.39,3.96,2.59,3.37,5.1,1.45,-2.1,1.1,1.53,11.88,18.85,13.01,1.33,5.71, 营业利润率(%),15.55,3.8,2.49,3.29,4.78,1.34,-2.28,0.93,0.81,10.48,16.32,11.9,1.24,5.05, 主营业务成本率(%),80.29,93.17,94.17,94.59,89.66,92.71,97.7,96.97,97.27,89.86,83.66,87.63,96.74,92.83, 销售净利率(%),12.47,3.58,2.15,2.94,4.3,1.01,-1.89,1.03,1.61,9.36,14.08,11.11,1.38,5.45, 净资产收益率(%),19.77,9.78,7.68,14.04,15.16,3.26,-5.29,3.27,3.7,22.79,25.86,46.24,10.17,30.68, 股本报酬率(%),391.15,197.01,151.83,209.38,294.71,207.16,255.72,270.55,224.65,353.81,636.53,--,--,--, 净资产报酬率(%),37.8,29.82,26.7,31.03,50.73,35.76,32.68,31.93,27.89,44.59,48.9,76.13,4.84,24.44, 资产报酬率(%),10.93,6.79,7.87,12.88,18.45,12.29,9.27,10.61,10.53,22.4,27.94,23.47,0.95,5.46, 销售毛利率(%),--,--,--,--,--,--,--,--,--,10.14,16.34,12.37,3.26,7.17, 三项费用比重(%),1.99,2.56,2.64,2.84,5.65,5.22,3.85,2.66,2.52,1.53,2.58,4.05,2.99,3.05, 非主营比重(%),11.08,28.83,31.59,12.94,18.73,9.99,19.96,68.75,92.78,22.96,17.61,30.27,107.61,27.02, 主营利润比重(%),111.95,162.78,225.11,154.95,193.85,458.68,-107.44,274.3,171.46,91.27,98.23,103.32,243.49,129.74,