报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31, 总资产利润率(%),2.01,3.64,3.65,3.21,3.75,5.36,4.29,3.06,3.76,3.24,4.99,5.51,6.51,5.3,5.31,4.5,4.85,4.95,4.55,4.55,4.62,10.34,12.45,6.27,6.15,3.34, 主营业务利润率(%),15.08,20.03,17.04,17.73,22.97,23.14,23.87,20.01,19.76,18.95,18.44,17.26,19.08,16.76,13.98,16.78,14.97,14.95,17.42,18.48,18.29,20.83,24.01,24.01,22.86,21.71, 总资产净利润率(%),2,3.86,4.01,3.68,3.8,5.38,4.21,3.13,3.9,3.23,5.12,5.91,6.61,5.55,5.32,4.59,4.88,5.07,4.76,4.65,5.39,11.89,13.32,6.52,6.38,3.34, 成本费用利润率(%),5.96,10.82,10.67,8.55,8.85,12.54,9.13,7.27,8.43,7.02,9.21,9.39,10.18,9.78,10.28,9.82,10.15,10.41,11.04,11.36,12.52,22.28,23.88,13.2,15.34,9.14, 营业利润率(%),5.94,10.4,9.67,8.06,7.67,8.63,7.62,5.94,6.75,5.34,7.6,8.2,9.38,9.48,10.09,9.66,9.94,10.27,10.68,10.77,11.59,19.29,21.31,11.54,13.43,9.31, 主营业务成本率(%),83.99,79.03,81.97,81.48,76.21,75.99,75.44,79.48,79.87,80.61,81.14,82.36,80.37,82.81,85.59,82.75,84.47,84.68,82.12,81.23,81.47,78.81,75.6,75.52,76.85,75.59, 销售净利率(%),5.7,9.84,10.22,8.16,8.03,10.35,8.28,5.02,7.33,6.29,8.96,8.6,8.97,7.57,8.55,8.43,9.52,10.17,10.05,10.2,10.96,18.81,20.05,9.99,11.48,7.02, 净资产收益率(%),3.27,5.88,5.5,4.91,5.87,8.02,6.48,4.67,5.78,4.65,7.69,8.13,7.84,7.06,7.46,6.7,7.43,7.82,7.09,6.71,6.79,17.78,23.88,13.27,15.04,11.69, 股本报酬率(%),70.95,75.62,115.71,208.98,189.09,192.8,184,166.95,164.06,148.75,154.99,151.58,152.01,134.32,105.64,94.45,88.72,87.5,78.96,71.36,65.02,106.94,137.22,90.87,97.95,88.38, 净资产报酬率(%),17.55,18.53,21.34,27.73,32.07,33.59,33.72,31.65,31.58,29.3,31.2,31.8,33.85,31.46,26.63,25.1,25.46,26.32,24.47,23.01,21.4,38.25,46.73,39.28,41.75,35.27, 资产报酬率(%),10.9,11.53,14.2,18.44,21.67,22.74,21.93,19.14,19.72,19.24,19.95,20.54,23.87,21.78,18.87,16.9,16.54,16.53,15.64,15.46,14.71,22.8,24.36,18.56,18.02,14.69, 销售毛利率(%),16.01,20.97,18.84,18.52,23.79,24.01,24.56,20.52,20.13,19.39,18.86,17.64,19.61,17.19,14.41,17.25,15.53,15.32,17.88,18.77,18.53,21.19,24.4,24.48,23.15,24.41, 三项费用比重(%),16.55,17.1,16.13,16.63,21.24,19.07,19.74,16.15,17.75,16.99,16.32,14.09,14.74,13.68,11.8,15.15,13.06,13.56,14.05,13.39,12.66,11.84,14.81,13.37,10.65,12.12, 非主营比重(%),183.15,83.43,100.86,99.5,95.61,76.22,64.41,55.59,81.78,95.23,86.29,74.16,67.2,65.73,77.4,81.46,78.32,85.13,68.19,51.14,46.42,54.63,39.5,6.54,10.47,-12.23, 主营利润比重(%),249.33,190.64,161.09,209.7,264.1,192.32,272.62,286.22,239.18,275.19,204.51,189.82,195.92,176.73,139.02,173.74,150.29,145.53,163.28,171.37,154.75,102.76,110.72,203.66,169.79,262.75,