报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2008-12-31, 总资产利润率(%),0.06,0.74,0.56,0.24,-0.22,-6.67,0.87,0.67,0.47,1.88,1.78,1.17,0.45,3.64,2.51,1.69,0.23,1.85,0.56,-0.18,-0.76,2.78,0.52,-0.82,-0.47,1.08,1.18,0.83,0.17,2.67,2.52,2.03,0.64,5.09,3.78,2.59,0.75,5.73,4.68,3.13,1.69,16.27,--,--,--,14.87,16.84, 主营业务利润率(%),18.08,19.88,22.03,23.24,22.26,18.97,21.05,21.95,22.08,22.13,23.28,23.13,22.88,18.59,17.94,17.06,17.2,20.67,18.68,17.61,11.75,17.36,13.77,12.16,10.29,15.41,15.06,14.61,12.67,15.04,16.29,17.37,16.9,16.18,16.01,16.09,15.41,17.2,17.74,18.57,15.08,19.88,--,--,14.51,21.34,16.64, 总资产净利润率(%),0.06,0.76,0.57,0.24,-0.22,-6.46,0.88,0.69,0.47,2.14,1.99,1.32,0.5,4.07,2.63,1.72,0.23,2.05,0.58,-0.18,-0.74,3.35,0.53,-0.81,-0.47,1.22,1.19,0.83,0.17,2.93,2.8,2.09,0.66,5.66,4.09,2.73,0.76,7.67,6.15,4.13,1.65,17.15,--,--,--,18.07,16.84, 成本费用利润率(%),1.79,3.63,5.24,4.13,-1.77,-14.75,5.56,6.31,9.3,6.94,7.74,7.94,6.53,8.25,7.21,7.94,3.22,5.84,2.31,-0.47,-9.15,6.61,2.18,-4.14,-5.3,3,3.42,3.62,1.97,5.43,7.84,8.28,6.73,10.11,9.75,10.25,9.33,12.84,14.31,15.04,9.71,18.44,--,--,10.39,20.09,14.32, 营业利润率(%),1.78,3.3,4.25,3.26,-2.87,-13.72,5.21,5.7,8.48,6.8,7.1,7.45,6.3,6.83,6,6.39,2.89,3.94,0.62,-3.56,-10.26,5.59,1.86,-4.27,-5.84,2.67,3.49,3.74,1.64,4.66,6.91,7.35,6.3,8.33,8.24,8.59,7.27,10.49,11.8,12.17,7.97,14.41,--,--,9.33,16.58,12.66, 主营业务成本率(%),81.29,79.54,77.35,76.09,77.07,80.24,78.17,77.24,77.13,77.2,76.07,76.21,76.18,80.88,81.49,82.37,82.09,78.63,81.02,81.97,87.24,81.2,85.69,87.26,89.15,83.94,84.24,84.6,86.57,84.16,82.9,81.83,82.33,83.02,83.21,83.3,83.96,82.15,81.61,80.77,84.28,79.57,--,--,84.99,78.15,82.83, 销售净利率(%),0.69,1.66,2.05,1.47,-4.12,-15.95,3.23,3.84,5.74,3.95,5.11,5.17,4.48,6.3,5.65,5.86,1.99,3.95,1.71,-0.93,-8.94,4.96,1.33,-3.03,-4.11,2.02,2.35,2.5,1.3,3.93,5.3,5.51,4.01,6.49,6.43,6.85,5.75,8.57,9.52,9.99,6.72,12.13,--,--,7.11,13.3,11.1, 净资产收益率(%),0.08,1.32,0.99,0.31,-0.49,-13.24,1.57,1.28,0.88,3.97,3.6,2.48,0.98,7.65,4.72,3.05,0.37,3.27,0.8,-0.36,-1.15,3.83,0.56,-1.4,-0.79,1.4,1.79,1.28,0.19,4.33,4.3,3.02,0.85,7.3,5.56,3.66,0.97,7.34,5.78,3.99,2.12,21.89,--,--,2.58,22.98,38.77, 股本报酬率(%),0.34,62.3,3.08,57.5,-1.15,17.11,5.09,55.27,2.68,64.66,10.43,57.61,2.63,68.84,11.14,64.47,2.77,186.42,5.87,160.6,-6.93,186.66,4.15,178.99,-3.62,187.28,9.01,108.36,1.29,116.55,19.7,100.82,6.74,170.62,35.49,122.42,6.12,131.11,35.43,91.65,--,--,--,--,--,--,--, 净资产报酬率(%),0.12,22.23,1.1,20.76,-0.42,6.18,1.59,17.36,0.84,21.97,3.55,20.28,0.93,29.12,4.83,28.41,0.41,27.93,0.91,25.11,-1.08,28.86,0.79,34.83,-0.7,36.82,2.06,24.97,0.3,27,4.53,23.53,0.99,25.31,5.51,19.57,0.97,21.06,5.78,15.25,2.12,41.4,--,--,--,39.48,38.77, 资产报酬率(%),0.06,10.99,0.56,10.79,-0.22,3.19,0.87,9,0.47,10.54,1.78,9.68,0.45,13.6,2.51,15.38,0.23,15.42,0.56,16.75,-0.76,19.11,0.52,23.51,-0.47,22.85,1.18,14.15,0.17,15.43,2.52,15.24,0.64,17.07,3.78,13.84,0.75,16.45,4.68,11.95,1.69,30.77,--,--,--,25.54,16.84, 销售毛利率(%),--,--,--,--,--,--,--,22.76,22.87,--,23.93,23.79,23.82,--,18.51,17.63,17.91,--,18.98,18.03,12.76,--,14.31,12.74,10.85,--,15.76,15.4,13.43,--,17.1,18.17,17.67,--,16.79,16.71,16.04,17.85,18.39,19.23,15.72,20.43,--,--,15.01,21.85,17.17, 三项费用比重(%),13.03,11.56,13.34,16.24,24.17,14.14,13.91,14.04,16.18,12.35,12.2,13.69,16.56,10.59,11.68,11.97,16.05,12.69,16.19,18.02,22.39,10.78,13.07,12.96,15.07,10.65,10.67,10.44,12.82,8.34,7.76,8.01,9.93,6.03,5.76,5.56,7.77,5.35,5.43,5.33,6.61,4.9,--,--,4.52,3.3,3.29, 非主营比重(%),27.98,2.82,17.07,17.31,-76.5,8.85,-1.99,0.78,2.6,-6.83,2.75,1.65,3.1,24.99,26.52,29.99,57.01,41,83.33,-754.88,-0.9,10.82,13.87,-2.38,-5.16,9.31,11.73,11.44,27.61,9.22,3.61,2.05,-0.49,8.25,5.87,6.33,15.6,8.38,7.28,8.38,12.69,8.48,--,--,0.24,-0.69,-2.07, 主营利润比重(%),1066.46,597.31,460.18,604.76,-1234.91,-135.07,407.77,377.94,252.12,353.33,338.08,321.75,374.14,244.82,265.49,226.39,539.86,384.29,828.67,-3745.29,-116.11,281.17,637.39,-291.51,-185.19,539.57,460.28,421.63,641.26,297.15,227.07,231.29,269.68,178.12,183.03,175.46,178.87,151.93,141.38,142.24,169.62,126.78,--,--,155.13,129.59,134.11,