报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31, 总资产利润率(%),4.86,6.1,3.66,3.87,2.31,2.48,3.55,2.99,5.64,17.58,19.23,19.67, 主营业务利润率(%),42.58,39.98,35.5,38.17,33.86,34.73,35.56,33.87,40.47,42.78,42.75,43.77, 总资产净利润率(%),5.3,6.42,4.13,3.98,2.36,2.48,3.77,3.52,8.59,21.21,24.49,19.67, 成本费用利润率(%),12.14,12.19,7.74,7.8,5.92,6.16,9.83,11.42,23.51,26.8,26.2,23.81, 营业利润率(%),10.77,11.08,5.63,6.43,3.24,5.69,6.86,9.24,16.07,19.01,19.91,19.24, 主营业务成本率(%),56.89,59.17,64.06,61.82,66.14,65.25,64.42,66.13,59.53,57.13,55.8,56.19, 销售净利率(%),10.18,10.23,6.92,7.06,5.15,5.32,8.75,9.5,19.37,20.87,20.09,16.33, 净资产收益率(%),8.53,8.48,4.65,3.69,0.92,1.34,3.99,3.86,5.93,38.67,43.96,45.87, 股本报酬率(%),44.24,42.25,35.65,27.78,38.43,47.08,56.34,43.99,85.4,--,--,--, 净资产报酬率(%),18.04,18.34,13.03,11.2,8.36,6.88,8.7,7.21,8,43.02,49.03,45.29, 资产报酬率(%),9.99,11.24,7.97,7.94,5.81,4.96,5.94,5.23,7.28,19.55,21.57,19.67, 销售毛利率(%),--,--,--,--,--,--,--,--,40.45,42.87,44.2,43.81, 三项费用比重(%),27.64,28.28,28.35,30.74,29.64,26.59,26.75,25.01,24.44,22.35,22.76,25.19, 非主营比重(%),3.79,0.65,23.21,20.07,46.83,-4.07,23.52,15.95,18.56,10.88,4.62,4.01, 主营利润比重(%),412.35,371.44,494.08,528.76,597.61,613.8,396.49,325.22,205.04,200.59,203.87,225.76,