报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31, 总资产利润率(%),14.16,14.52,33.99,5.24,2.05,3.76,8.19,7.7,9.05,9.12,12.97,16.32,13.64,10.5,8.13,6.23,5.7,7.19,7.43,8.51,9.83,8.87,14.63,16.27,24.2, 主营业务利润率(%),48.81,46.04,54.44,51.89,48.06,57.01,55.94,57.99,59.9,57.31,62.26,64.13,61.72,55.37,55.07,49.56,49.36,52.69,56.81,63.75,56.54,50.94,60.12,53.08,50.97, 总资产净利润率(%),15.71,16.85,26.37,5.31,1.98,3.88,8.84,9.21,10.29,9.69,16.69,17.05,14.2,11.41,8.57,6.25,6.84,7.5,7.57,8.58,10.56,12.54,15.83,16.8,24.2, 成本费用利润率(%),49.26,44.17,115.02,22.51,14.51,20.5,43.19,41.87,33.04,28.69,47.72,52.14,52.72,44.58,33.61,24.16,26.86,29.07,36.52,59.05,57.23,60.49,84.03,72.44,76.44, 营业利润率(%),31.92,29.63,76.77,16.99,11.23,15.6,29.25,27.93,23.81,20.89,32.2,33.31,34.51,30.78,25.02,19.31,21,21.19,25.77,33.22,36.28,37.84,45.68,41.01,42.03, 主营业务成本率(%),50.15,52.82,44.07,46.76,51.4,42.32,43.17,40.37,38.98,41.81,36.65,35.2,37.66,43.96,44.28,49.79,49.99,46.69,42.59,35.62,42.85,48.46,39.28,46.32,48.47, 销售净利率(%),27.25,25.11,70.59,14.46,7.14,12.38,25.13,24.63,20.93,18.58,25.47,28.6,28.15,25.41,20.1,16.39,17.65,18.17,22.2,27.6,31.42,31.7,30.61,28.27,30.13, 净资产收益率(%),15.51,15.11,38.81,11.93,0.51,6.61,19.32,19.62,18.1,16.58,26.5,20.09,16.16,15.4,10.32,7.47,7.22,12.58,12.14,13.6,15.46,12.63,24.9,36.01,50.63, 股本报酬率(%),187.2,197.89,257,257.32,184.47,184.73,212.08,187.75,157.72,131.84,137.89,92.39,117.02,94.59,73.28,59.59,78.93,77.47,69.87,66.13,64.85,88.5,--,--,--, 净资产报酬率(%),37.8,39.66,54.08,54.34,42.52,42.94,50.23,54.46,56.22,59.5,70.93,59.59,52.5,47.22,35.65,30.46,28.56,51.46,46.31,45.47,44.52,39.95,56.01,74.8,84.24, 资产报酬率(%),30.99,34.02,46.98,22.94,16.88,15.83,19.4,20.14,25.22,27.76,31.15,37.71,34.79,30.54,28.1,25.44,22.57,29.47,28.95,28.47,28.33,28.07,32.9,33.78,40.26, 销售毛利率(%),--,47.18,51.67,--,48.6,57.68,56.83,59.63,61.02,58.19,63.35,62.92,62.34,61.41,55.72,50.21,50.01,53.31,57.41,64.38,57.15,51.54,60.72,53.68,51.53, 三项费用比重(%),13.35,13.08,21.58,31.94,32.35,38.08,24.87,28.76,34.12,35.69,29.11,29.3,26,23.57,27.46,29.1,27.16,30.05,28.83,22.06,21.12,15.3,14.48,11.32,9.79, 非主营比重(%),-0.36,-0.03,57.99,5.69,8.16,6.72,1.74,7.58,4.17,6.48,-1.3,1.76,-1.86,-1.35,-13.47,-6.49,-6.23,-0.82,-6.36,6.96,4.25,8.74,0,2.8,6.54, 主营利润比重(%),153.5,155.47,70.5,287.97,392.83,343.03,187.87,195.75,244.22,254.87,195.15,188.71,182.14,182.09,226.33,257.94,236.22,234.33,215.98,185.14,152.97,130.85,131.6,125.81,113.37,