报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31, 总资产利润率(%),9.6,9.35,8.97,8.56,8.21,13.48,9.69,9.09,10.24,9.83,9.29,12.46,5.47,4.98,-0.63,1.16,3.95,5.9,9.34,6.35,8.25,8.27,32.83,33.25,23.96, 主营业务利润率(%),61.56,55.71,51.41,50.48,47.29,33.78,32.54,31.58,35.45,33.26,30.32,29.46,27.64,26.26,25.89,26.6,30.31,36.27,44.78,37.18,34.63,31.49,36.59,37.75,31.33, 总资产净利润率(%),10.02,9.98,9.24,9.24,8.3,13.45,10.02,9.79,10.74,10.32,9.98,13.16,5.06,4.85,-0.61,1.25,4.51,7.66,10.39,7.82,9.29,13.05,35.36,33.37,23.96, 成本费用利润率(%),17.05,19.57,19.59,18.45,18.08,17.64,12.15,12.25,12.96,12.5,10.45,13.98,6.4,5.45,0.68,2.57,5.83,8.75,17.85,16.52,30.44,28.3,32.11,35.62,25.33, 营业利润率(%),14.46,16.51,15.35,14.87,14.91,15.13,10.46,10.26,11.04,10.76,9.13,8.64,5.11,6.17,0.95,3.13,5.92,8.46,15.12,14.91,24.6,20.67,24.31,26.27,20.21, 主营业务成本率(%),36.65,42.57,46.89,48.13,51.53,65.4,66.69,67.7,63.82,66.05,69.02,69.93,71.77,73.2,73.55,72.88,69.03,62.97,54.26,61.86,64.8,68.09,62.9,61.49,68.27, 销售净利率(%),12.03,13.74,13.45,12.94,12.7,12.78,9.02,8.66,9.93,9.2,8.01,10.04,4.34,4.13,-0.61,1.17,3.91,6.8,11.86,10.4,17.43,20.12,24.31,26.17,20.07, 净资产收益率(%),12.35,11.3,10.68,10.83,9.54,16.33,13.2,12.42,13.46,13.01,12.36,19.91,9.08,10.8,0.31,4.15,11.22,12.29,16.31,10.96,11.4,10.05,48,42,0.33, 股本报酬率(%),303.93,339.51,364.64,322.2,325.9,354.65,281.23,247.48,228.8,196.92,201.73,208.17,128.53,159.81,103.37,129.01,130.08,145.33,99.47,86.65,92.43,39.02,--,--,--, 净资产报酬率(%),40.09,37.61,37.53,36.28,32.78,38,34.16,32.57,33.32,31.85,30.51,38.83,28.29,36.35,26.4,32.51,34.04,33.09,35.55,28.65,25.09,12.13,83.47,63.87,53.13, 资产报酬率(%),30.77,31.27,32.05,30.07,28.15,31.28,24.71,23.28,25.13,23.87,22.51,24.99,17.28,18.49,11.33,13.25,15.7,17.96,20.49,17.2,18.34,9.98,57.24,49.79,38.39, 销售毛利率(%),63.35,57.43,53.11,51.87,--,34.6,33.31,32.3,36.18,33.95,30.98,30.07,28.31,26.8,26.45,27.12,30.97,36.98,45.74,38.14,35.2,31.91,37.1,38.51,31.73, 三项费用比重(%),45.99,39.57,35.68,35.57,32.37,22.29,22.35,21.47,24.11,22.39,21.25,19.68,19.62,22.34,24.2,23.38,25.42,29,30.8,24.73,14.01,10.89,12.28,11.49,11.11, 非主营比重(%),1.48,0.91,8.25,8.2,3.77,28.51,10.99,8.58,5.25,3.97,10.33,31.53,15.65,19.73,-203.75,-58.85,0.71,2.41,5.02,10.09,13.05,7.98,-0,0.01,0, 主营利润比重(%),427.62,339.47,311.54,321.5,307.52,216.45,298.13,286.75,308.39,298.46,318.99,233.57,469.54,501.61,3883.97,1070.9,546.7,446.99,291.55,257.16,143.33,140.15,150.53,143.72,154.99,