报告日期,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(%),1.97,1.89,0.77,-0.14,2.4,6.63,6.33,7.03,12.5,11.2,11.47, 主营业务利润率(%),27.88,28.54,33.02,39.44,42.83,37.72,31.56,26.91,26.33,23.81,23.4, 总资产净利润率(%),2.04,1.91,1.05,-0.14,2.84,6.53,6.31,9.56,15.52,13.12,11.47, 成本费用利润率(%),3.18,3.11,2.71,-0.5,6.76,14.2,13.02,17.74,17.87,16.38,16.54, 营业利润率(%),3.19,3.11,-0.58,-1.53,5.36,12.26,10.54,12.58,13.75,12.75,11.89, 主营业务成本率(%),71.52,70.96,66.27,59.89,56.59,61.81,68.06,72.76,73.42,75.94,76.32, 销售净利率(%),2.2,2.39,1.89,-0.29,5.52,11.24,11.2,14.34,14.33,12.61,13.22, 净资产收益率(%),3.88,3.27,1.23,-0.23,3.84,7.49,7.88,9.41,33.74,26.36,28.53, 股本报酬率(%),103.65,68.09,109.74,117.29,126.18,135.61,115.29,216.19,--,--,--, 净资产报酬率(%),15.98,10.72,8.88,12.52,13.3,14.7,13.36,13.34,44.62,35.13,28.49, 资产报酬率(%),9.65,6.81,5.61,7.28,8.31,13.01,10.73,9.97,16.52,14.93,11.47, 销售毛利率(%),--,--,--,--,--,--,--,27.24,26.58,24.06,23.68, 三项费用比重(%),24.89,26.61,34.47,42.88,37.65,29.88,20.87,14.31,12.51,11.43,11.61, 非主营比重(%),2.4,11.95,165.29,-616.41,30.65,42.22,10.2,19.84,11.13,12.05,19.94, 主营利润比重(%),902.35,934.4,1199.96,-7586.74,668.34,288.21,271.49,173.59,171.02,165.9,160.33,