报告日期,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(%),0.05,-12.97,3.87,3.61,5.28,6.34,8.96,10.25,12.98,17.34,17.13,6.55,7.92,1.69, 主营业务利润率(%),26.96,23.3,28.2,33.86,39.79,42.56,45.32,49.37,48.86,50.03,50.45,45.23,37.95,27.5, 总资产净利润率(%),0.04,-13.03,4.63,4.69,6.67,7.67,10.13,12,15.89,21.39,19.58,7.39,7.99,1.69, 成本费用利润率(%),0.01,-40.62,12.42,15.21,20.68,18.86,22.38,25.71,29.82,34.06,27.43,8.97,16.81,3.53, 营业利润率(%),0.25,-41.15,10.86,12.05,16.03,14.88,17.32,18.75,21.21,22.93,18.69,6.36,11.36,-0.21, 主营业务成本率(%),72.44,76.05,71.14,65.12,59.04,56.1,53.25,48.28,48.94,47.89,47.43,53.3,61.22,71.37, 销售净利率(%),0.13,-40.58,9.32,11.03,14.86,13.29,15.53,17.77,20.14,22.29,19.14,8.15,13.35,2.99, 净资产收益率(%),0.46,-65.09,7.58,6.78,9.83,12.77,20.93,23.3,27.47,32.95,--,10.99,12.28,3.77, 股本报酬率(%),0.18,-45.29,26.57,27.04,42.31,72.06,143.38,123.61,108.06,90.44,49.31,22.07,--,--, 净资产报酬率(%),0.17,-42.52,16.13,12.14,13.69,15.86,25.26,27.2,30.99,35.86,28.49,16.38,17.78,10.89, 资产报酬率(%),0.05,-10.12,6,5.68,7.35,7.8,10.69,11.98,14.79,19.53,17.13,10.22,12.93,6.02, 销售毛利率(%),--,--,--,--,--,--,46.75,51.72,51.06,52.11,52.57,46.7,38.78,28.63, 三项费用比重(%),23.15,24.18,15.56,19.75,22.63,24.42,25.8,28.73,27.09,25.88,29.77,38.72,25.52,27.7, 非主营比重(%),-1579.12,2.3,1.8,4.95,11.9,3.61,3.85,8.12,9.07,11.23,14.11,24.17,15.54,105.82, 主营利润比重(%),211473.29,-56.86,259.77,259.26,232.19,275.61,251.56,241.95,209.41,193.65,231.85,538.99,257.87,777.49,