报告日期,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, 总资产利润率(%),1.38,0.59,0.39,0.36,-0.5,32.13,-8.01,38.58,-20.28,281.01,0.69,-38.6,-83.04,0.34,-73.32,1.29,2.13,1.98,3.59,4.42,5.4,6.91,4.94,10.8,6.47,9.27, 主营业务利润率(%),78.85,69.17,67.26,30.53,14.69,2.12,2.14,4.33,-5.28,3.48,4.77,-4.75,3.37,10.07,10.3,13.39,12.72,14.95,17.38,17.06,18.44,20.2,19.61,20.51,22.12,27.39, 总资产净利润率(%),1.44,0.62,0.4,0.4,-0.97,16.89,-8.22,55.9,-19.06,267.72,0.73,-33.86,-49.68,0.34,-64.74,1.38,2.27,1.94,3.78,4.71,6.06,7.81,6.6,11.56,7.6,9.27, 成本费用利润率(%),41.3,22.54,18.7,14.62,-14.83,50.31,-28.16,330.18,-27.61,193.28,0.56,-33.79,-53.79,0.52,-92.01,2.33,3.51,3.95,8.57,9.79,11.61,17.42,13.62,15.23,10.94,13.02, 营业利润率(%),274,189.72,163.63,57.12,-32.94,63.4,-35.92,-234.99,-37.03,-5.24,-3.66,-38.46,-53.83,-3.37,-96.17,2.25,3.48,3.82,7.93,9.26,10.51,14.94,11.92,13.45,9.92,11.65, 主营业务成本率(%),12.24,21.45,20.64,64.74,82.74,97.68,97.62,95.15,105.17,96.27,95.01,104.57,96.28,89.58,89.38,86.37,87.04,84.83,82.43,82.8,81.44,79.62,80.15,79.17,77.56,72.36, 销售净利率(%),217.05,112.62,107.99,39.41,-34,62.29,-37.07,967.23,-36.58,201.96,0.58,-39.05,-66.47,0.47,-111.76,1.8,2.7,2.86,6.84,8.15,9.22,11.24,9.64,11.64,9,10.74, 净资产收益率(%),4.34,1.74,1.01,0.88,-0.96,63.79,-114.96,864.22,--,--,--,--,--,--,--,4.36,6.79,6.95,7.67,9.15,10.06,14.39,11.45,26.53,19.32,24.62, 股本报酬率(%),51.95,27.24,19.98,18.21,0.83,57.15,-14.38,206.27,61.82,608.45,115.8,30.76,-110.85,129.3,-306.62,93.34,75.98,66.1,97.71,86.05,112.55,132.8,92.01,--,--,--, 净资产报酬率(%),5.93,3.16,2.29,2.08,0.1,74.5,-46.13,809.17,--,--,--,--,--,--,--,36.64,30.87,27.9,39.04,34.57,30.41,35.48,29.63,57.03,53.96,48.43, 资产报酬率(%),1.86,1.06,0.86,0.83,0.05,40.31,-3.62,47.33,37.31,325.74,56.4,16.64,-46.86,23.32,-55.21,13.28,12.46,12.4,17.65,17.28,17.24,18.9,17.01,23.5,18.09,18.6, 销售毛利率(%),--,--,79.36,35.26,17.26,2.32,2.38,4.85,-5.17,3.73,4.99,-4.57,3.72,10.42,10.52,12.57,12.96,15.17,17.57,17.2,18.56,20.38,19.85,20.83,22.44,27.64, 三项费用比重(%),675.4,822.47,864.09,330.58,127.53,35.43,33.79,197.26,27.18,7.97,7.93,10.82,26.94,12.43,31.72,10.23,8.73,11.44,10.17,8.52,8.44,8.44,9.53,7.71,12.67,16.23, 非主营比重(%),163.91,206.67,312.24,288.34,-110.61,153.36,3.03,124.3,-1.24,102.59,737.81,-8.77,-16.38,806.31,17.22,-53.26,-25.93,-2.46,0.93,-2.87,-0.19,17.6,11.91,0.27,-0.08,-0.65, 主营利润比重(%),27.41,35.96,40.11,52.2,-46.53,3.16,-5.76,0.45,14.44,1.72,828.17,12.16,-5.07,1906.48,-9.22,594.28,377.93,392.36,218.6,190.64,176.41,131.39,160.15,154.44,223.24,236.71,