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, 总资产利润率(%),1.52,2.48,2.72,-2.82,4.81,2.73,5.54,5.2,3.41,14.32,3.82,0.36,-7.5,2.57,-0.9,-18.25,1.15,0.65,1.16,2.13,3.41,8.22,5.84,8.26, 主营业务利润率(%),80.32,83.26,83.68,84.12,77.03,24.34,30.63,25.14,20.03,38.51,30.85,13.99,12.43,23.69,21.17,19.37,25.19,24.23,23.35,26.36,28.8,31.85,32.89,33.48, 总资产净利润率(%),1.5,2.47,2.56,-2.86,4.4,4.33,5.32,5.24,3.42,15.55,4.1,0.39,-8.76,2.38,-0.89,-15.88,1.12,0.66,1.14,2.52,4.52,8.95,7.36,8.26, 成本费用利润率(%),61.36,72.61,75.82,-27.49,116.08,28.51,16.08,11.65,9.37,37.35,9.71,0.74,-14.66,4.76,1.6,-34.92,4.52,3.68,4.32,7.06,10.43,11.4,10.35,9.07, 营业利润率(%),30.75,41.43,43.57,-13.61,45.16,28.37,13.22,7.01,7.71,26.74,7.28,-5.05,-19.41,4.14,0.73,-16.9,4.48,3.6,4.48,6.78,8.29,10.29,9.44,7.47, 主营业务成本率(%),18.39,15.8,15.42,15,21.78,73.07,68.76,74.25,79.54,60.65,69.08,86.01,87.57,76.21,78.25,79.81,74.09,75.05,75.99,73.03,70.67,67.46,66.62,66.04, 销售净利率(%),16.72,26.8,28.77,-28.3,36.64,21.14,8.62,9.09,6.78,20.8,8.01,0.87,-17.23,3.75,-1.57,-34.92,2.04,1.48,2.71,5.53,8.08,9.19,6.38,5.67, 净资产收益率(%),-0.64,2.57,5.1,-30.63,12.52,6.55,9.71,10.75,8.02,35.4,12.32,1.22,-21.51,4.34,9.74,-45.38,2.66,1.57,2.61,5.23,6.02,27.88,22.72,28.31, 股本报酬率(%),18.78,29.55,33.43,-35.56,124.87,359.83,293.97,259.15,244.72,310.15,191.02,149.28,156.6,215.17,223.05,123.15,242.67,195.14,174.44,163,143.57,--,--,--, 净资产报酬率(%),3.77,5.85,7.09,-7.44,11.97,38.52,65.6,62.96,68.67,91.82,87.55,84.09,89.31,101.29,90.71,58.12,74.7,61.53,55.89,52.53,48.02,122.86,127.31,181.78, 资产报酬率(%),1.78,2.71,2.87,-2.71,4.89,11.91,37.43,30.45,29.23,37.14,27.17,24.58,31.13,60.06,44.12,23.42,35.53,26.97,25.12,22.64,28.65,48.57,36.26,53.03, 销售毛利率(%),--,--,--,85,78.22,26.93,31.24,25.75,20.46,39.35,30.92,13.99,12.24,24.05,21.98,20.19,25.91,24.95,24.01,26.81,29.33,32.54,33.38,33.96, 三项费用比重(%),32.13,40.27,41.34,33.61,26.09,27.54,14,15.34,12.28,11.4,17.87,19.16,18.96,18.46,22.4,36.15,21.46,20.82,19.08,21.46,21.44,22.09,24.74,26.19, 非主营比重(%),13.07,14.84,9.08,-5.6,21.1,4.5,1.53,11.25,10.9,1.68,59.55,753.22,-24.61,8.05,53.89,59.68,9.88,5.53,-5.46,25.72,22.28,0.41,1.38,12.44, 主营利润比重(%),252.65,201.1,191.43,-618.3,135.26,82.71,228.59,239.25,231.82,141.42,365.23,1799.72,-79.55,525.53,1305.39,-47.51,579,681.15,565.02,392.45,298.06,309.78,345.87,398.15,