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(%),2.38,1.63,4.75,4.94,7.08,0.54,-159.65,2.15,-1.98,0.25,2.47,30.89,-135.15,-61.54,-0.88,-9.01,2.15,5.88,4.35,5.7,5.33,5.25,7.38,6.72,9.5, 主营业务利润率(%),21.16,19.65,25.05,18.27,18.53,--,--,--,--,--,88.02,48.33,29.58,8.4,31.6,25.14,34.55,46.98,36.58,27.05,17.12,13.89,11.97,13.87,15.8, 总资产净利润率(%),1.99,1.69,5.16,4.98,14.09,0.54,-109.65,2.14,-1.95,0.23,2.12,24.3,-53.17,-52.87,-0.89,-8.48,2.59,6.63,3.85,6.39,6,6.59,7.87,8.79,9.5, 成本费用利润率(%),3.47,2.69,7.3,7.25,8.17,21.04,-802.66,36.46,-77.88,11.24,18.44,99.63,-161.47,-107.54,-2.71,-23.07,7.7,14.39,7.6,9.9,7.47,6.75,7.4,9.16,9.39, 营业利润率(%),3.11,2.43,5.61,5.44,6.9,--,--,--,--,--,-188.32,-1.26,-211.72,-123.88,-2.5,-17.17,7.34,15.82,7,8.9,6.44,5.69,6.84,8.46,8.62, 主营业务成本率(%),78.4,79.93,74.59,81.5,81.25,--,--,--,--,--,10,50.79,68.48,91.8,68.21,75.92,65.37,52.66,61.14,71.94,82.59,85.89,87.75,85.98,83.97, 销售净利率(%),2.53,2.36,5.92,5.36,6.39,--,--,--,--,--,37.47,145.89,-411.03,-234.87,-3.32,-27.24,5.9,12.07,6.91,8.86,6.19,5.44,6.43,8.21,7.84, 净资产收益率(%),7.1,11.09,14.31,15.68,44.13,1.65,-493.14,2.04,-5.52,1.7,115.91,1347.99,-498.62,-205.62,-0.02,-11.67,3.28,10.65,6.18,9.87,11.53,11.1,19.84,19.74,17.5, 股本报酬率(%),9.32,8.91,24.25,22.99,149.12,0.73,-18.51,1.15,0.2,0.7,1.6,12.96,-112.66,-166.09,38.79,-7.14,34.03,45.82,28.41,84.57,64.92,42.81,--,--,--, 净资产报酬率(%),6.73,6.59,14.96,14.63,48.05,45.47,-1208.5,5.54,3.35,11.07,251.17,279.57,--,-141.19,11.5,-2.09,8.85,18.17,12.5,20.01,20.53,15.92,26.9,26.28,22.87, 资产报酬率(%),2.38,1.63,4.75,4.94,7.08,6.02,-154.18,5,0.85,2.96,5.72,34.77,-129.77,-46.85,8.24,-1.54,6.54,10.65,8.55,10.13,8.89,7.54,10.01,8.94,12.42, 销售毛利率(%),21.6,20.07,25.41,18.5,18.75,--,--,--,--,--,90,49.21,31.66,1.43,31.79,20.84,34.63,47.34,38.81,28.06,17.41,14.11,12.25,14.02,16.03, 三项费用比重(%),18.82,20.45,18.47,13.5,11.36,--,--,--,--,--,191.21,96.64,184.62,126.77,31.14,42.93,27.03,30.85,27.61,18.06,10.84,8.73,6.5,6.96,10.4, 非主营比重(%),14.92,24.45,23.29,41.86,14.29,589.62,-1.4,378.25,-73.62,1141.04,643.99,134.3,59.31,49.71,136.32,37.42,-8.75,-33.83,-29.71,0.28,8.72,15.75,17.18,12.75,31.08, 主营利润比重(%),623.72,723.53,367.09,264.66,244.3,-33.02,0,0,0,-1.35,234.89,32.71,-7.18,-3.58,-1171.68,-92.53,485.28,389.36,529.13,300.11,244.42,216.85,171.24,162.72,177.85,