报告日期,2021-12-31,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31, 总资产利润率(%),1.53,2.34,2.22,3.82,5.74,4.61,5.6,8.66,5.28,4.33,8.6,3.29,0.8,-1.63,1.36,0.57,-11.27,0.59,0.88,1.05,3.62,2.69,0.44,0.21,0.63,0.54,0.34,4.15,7.93, 主营业务利润率(%),22.57,24.09,24.35,27.04,26.3,25.83,29.96,30.34,28.23,28.79,23.36,21.89,15.18,22.02,23.94,25.87,17.67,11.22,12.58,17.62,21.33,20.76,14.99,13.89,27.22,18.38,20.62,100,23.64, 总资产净利润率(%),1.64,2.39,2.3,4.04,5.9,4.86,6,9.9,5.91,4.44,8.33,2.97,0.79,-1.5,1.34,0.57,-13.02,0.59,0.99,1.07,3.61,2.71,0.43,0.22,0.62,0.55,0.35,4.77,7.93, 成本费用利润率(%),3.21,4.68,4.14,7.03,10.45,8.99,10.85,15.99,8.92,7.43,8.93,3.28,0.58,-0.64,3.62,1.3,-16.12,2.13,2.17,2.04,5.94,7.45,1.41,0.79,1.87,1.64,0.83,--,13.54, 营业利润率(%),2.97,3.95,3.14,6.26,9.47,7.29,9.06,9.89,7.96,6.07,2.07,2.75,-20,-0.74,1.18,-0.32,-19.72,-1.58,-2.56,1.46,5.37,6.3,-2.34,-15.38,2.03,-1.69,0.86,9.51,12.78, 主营业务成本率(%),76.62,75.23,75.16,72.56,73.26,73.82,69.78,69.41,71.48,70.9,76.35,77.93,84.55,77.8,75.9,73.97,82.27,88.54,87.22,82.1,78.3,78.28,83.52,85.55,71.66,81.09,79.09,0,73.91, 销售净利率(%),2.66,3.57,3.09,4.95,6.94,5.85,7.62,12.01,5.96,4.62,8.34,3.2,0.97,-1.49,1.27,0.57,-18.57,1.05,1.77,1.63,5.2,6.37,1.52,0.9,1.8,1.68,0.86,8.08,10.22, 净资产收益率(%),1.98,3.6,3.71,6.36,9.21,7.53,8.87,12.38,10,5.71,16.14,7.52,6.05,-6.34,4.8,0.83,-48.88,0.44,1.71,2.56,9.12,5.24,0.9,0.44,1.15,1.04,0.7,10.18,0.25, 股本报酬率(%),132.38,180.37,169.98,173.37,171.92,148.73,147.73,159.33,178.95,166.2,174.09,196.41,236.65,228.42,255.22,244.69,167.05,78.72,126.93,143.91,145.04,117.62,91,63.71,82.5,89.55,79.5,26.34,130.06, 净资产报酬率(%),28.33,37.28,35.94,37.86,38.39,36.95,39.52,53.42,86.39,86.33,97.14,126.47,180.1,181.48,177.99,171.78,117.79,38.86,42.02,68.3,70.45,43.9,35.86,24.55,31.88,26.98,24.52,7.79,43.34, 资产报酬率(%),17.36,21.16,20.84,22.95,25.47,23.27,25.76,31.99,39.22,46.38,51.08,54.07,53.69,50.2,48.14,45,30.7,19.78,21,26.82,27.8,22.42,17.64,11.86,16.03,13.16,12.03,4.15,13.87, 销售毛利率(%),--,--,--,27.44,26.74,26.18,30.22,30.59,28.52,29.1,23.65,19.81,15.45,22.2,24.1,26.96,17.73,11.46,12.78,17.9,21.7,21.72,16.48,14.45,28.34,18.91,20.91,--,26.09, 三项费用比重(%),16.53,17.26,18.67,17.81,18.63,19.8,21.38,22.8,23.08,22.46,22.31,23.46,31.82,25.04,23.58,24.53,38.62,22.21,19.16,18.84,17.94,18.61,25.79,31.69,30.35,26.03,23.88,0,12.79, 非主营比重(%),6.44,41.97,60.13,8.11,17.27,35.99,27.11,52.46,40.73,22.93,80.77,158,3228.97,-368.24,120.76,167.3,-7.03,490.28,313.05,68.17,22.74,41.61,656.01,1824.72,41.83,289.11,174.48,23.58,0.86, 主营利润比重(%),747.47,552.83,623.09,423.69,272.68,305.63,301.98,205.17,333.74,413.92,264.36,657.65,2262.77,-3314.48,663.08,2014.55,-90.61,475.46,544.18,854.33,371.72,284.67,960.61,1483.91,1413.13,1039.72,2399.77,1051.49,195.85,