报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31,1992-12-31,1991-12-31,1990-12-31, 总资产利润率(%),9.38,-1.22,2.08,0.86,-8.02,0.9,0.77,-29.45,8.05,-2.98,-16.01,1.22,3.75,-0.18,1.15,2.32,-3.28,0.81,1.34,1.03,4.43,7.01,7.14,8.07,5.07,8.35,8.77,14.92,--,--, 主营业务利润率(%),50.22,36.15,38.38,35.86,30.86,39.27,28.49,25.87,38.83,43.83,38.06,45.91,29.68,29.77,36.04,37.68,37.71,43.22,46.37,57.45,41.55,31.62,28.7,27.79,23.66,100,34.54,19.89,23.69,20.31, 总资产净利润率(%),10.1,-1.27,2.44,0.9,-7.95,0.85,0.81,-26.67,8.5,-2.94,-15.07,1.15,4.03,-0.18,1.18,2.36,-3.16,0.78,1.35,1.12,4.54,7.32,7.6,8.01,5.86,10.5,14.3,14.92,--,--, 成本费用利润率(%),16.6,0.12,6.28,3.1,-18.27,2.66,1.02,-31.85,11.81,-3.36,-17.68,2.76,9.85,0.21,3.39,5.33,-4.49,3.88,5.64,5.87,14.34,22.91,28.25,34.59,24.73,--,33.98,24.47,30.32,24.83, 营业利润率(%),-9.73,-0.39,-6.83,-2.8,-22.44,2.46,0.86,-37.31,10.87,-5.31,-22.15,-0.33,9.64,0.25,3.58,5.27,-4.6,3.7,5.83,6.9,14.9,19.73,24.77,33.03,24.07,36.32,27.25,19.6,23.14,19.79, 主营业务成本率(%),48.64,61.85,59.64,61.48,68.58,59.8,70.44,73.32,60.38,55.21,61.07,53.06,69.43,69.48,63.19,61.43,61.45,55.62,52.56,41.28,57.18,67.7,70.74,71.8,76.02,0,57.93,0,0,0, 销售净利率(%),16.9,-1.58,5.1,2.12,-23.73,1.75,0.89,-38.05,10.39,-4.07,-21.42,1.78,5.85,-0.25,1.8,3.97,-5.78,1.92,3.8,4.45,10.92,17.49,22.33,28.22,20.23,30.67,23.18,16.66,19.67,16.82, 净资产收益率(%),46.52,-15.25,12.13,2.06,-37.67,3.32,2.59,-112.21,15.74,-6.28,-30.27,1.81,6.63,0.19,1.77,3.12,-5.48,0.88,1.5,1.1,6.09,10.26,10.06,10.37,7.46,13.39,11.52,0.23,--,--, 股本报酬率(%),41.67,51.15,53.48,2.16,31.49,47.15,63,-14.42,76.63,40.96,5.24,52.73,57.12,61.12,62.75,62.94,41.02,48.04,43.15,37.22,42.3,49.97,44.42,48.46,31.79,23.15,29.17,--,--,--, 净资产报酬率(%),36.33,68.03,66.98,3.97,61.11,65.12,78.15,-18.36,51.04,32.36,3.4,26.72,24.59,31.04,31.92,30.37,20.59,23.11,20.88,18.04,21.1,25.82,24.01,21.04,14.25,10.95,17,31.03,--,--, 资产报酬率(%),9.38,13.42,15.1,0.86,13.68,19.91,23.64,-5.94,26.08,15.6,1.94,17.4,16.8,20.82,20.5,21.42,14.42,15.66,12.86,11.17,15.16,18.84,18.29,16.35,9.43,8.35,12.95,20.53,--,--, 销售毛利率(%),--,38.15,40.36,38.52,31.42,40.2,29.56,26.68,39.62,44.79,39.82,46.94,30.57,30.8,36.81,38.57,38.55,44.38,47.44,58.71,42.82,32.3,29.26,28.2,23.98,--,42.07,--,--,--, 三项费用比重(%),53.92,33.93,42.78,45.15,53.35,38.42,28.68,45.07,36.72,44.85,57.84,45.37,30.59,30.69,33.02,33.1,42.75,40.76,41.04,51.62,30.58,21.12,20.53,25.65,20.74,0,14.78,0,0,0, 非主营比重(%),156.49,417.33,203.34,437.97,-0.28,119.51,181.57,-1.47,99.17,-55.89,0.36,171.23,98.43,-4.02,10.06,9.58,-4.64,32.44,-1.84,-5.63,14.42,49.4,57.52,81.26,34.13,43.06,27.46,0,0,0, 主营利润比重(%),291.67,29715.26,585.24,1059.61,-137.9,1491.48,2782.52,-68.14,335.9,-1290.32,-179.71,1671.07,298.74,14352.85,1097.76,740.43,-798.86,1141.94,867.77,1039.32,325.37,154.18,110.63,82.1,98.53,275.34,126.67,101.47,102.4,102.62,