报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2015-09-30,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),6.99,23.7,17.42,10.59,1.23,9.45,7.44,4.11,1.07,6.45,4.6,2.85,0.31,6.27,4.67,3.14,--,6.98,--,7.18,5.75,2.88,6.96,8.15, 主营业务利润率(%),47.01,46.6,45.67,44.7,37.16,39.36,39.74,39.66,37.68,38.69,38.91,38.89,37.42,40.8,41.42,41.56,39.7,42.2,42.54,45.88,46.22,45.38,43.98,39.32, 总资产净利润率(%),7.6,28.52,20.54,11.8,1.24,9.94,7.83,4.24,1.08,7.02,4.99,3,0.31,6.95,5.25,3.23,--,7.98,--,8.47,6.73,3.56,8.05,8.15, 成本费用利润率(%),34.14,30.01,29.67,25.97,6.66,10.99,11.91,10.15,5.61,8.13,8.13,6.97,2.02,7.63,8.16,7.52,2.64,7.63,7.56,8.51,9.36,2.91,6.56,7.35, 营业利润率(%),24.49,22.04,21.76,19.5,6.07,9.19,10.07,8.64,4.99,6.89,6.91,6.34,1.98,6.92,6.84,6.54,2.14,5.87,5.99,6.81,8.02,2.19,5.31,5.83, 主营业务成本率(%),52.9,53.31,54.26,55.23,62.76,60.52,60.14,60.21,62.18,61.17,60.96,60.98,62.43,59.04,58.44,58.29,60.18,57.65,57.41,54.08,53.75,54.57,55.95,60.57, 销售净利率(%),20.66,19.09,18.87,16.86,4.72,7.88,8.34,6.82,3.74,5.64,5.44,4.97,1.11,5.49,5.72,4.95,0.73,5.78,5.57,6.01,6.6,2.18,4.42,5.25, 净资产收益率(%),11.97,39.86,31.86,20.17,2.08,17.69,14.58,8.43,2.17,12.25,8.98,5.45,0.55,11.07,8.88,7.1,--,15.45,--,14.13,11.51,8.33,22.49,24.26, 股本报酬率(%),120.44,587.73,239.37,350.17,12.06,286.99,71.37,212.22,9.52,206.77,39.44,152.7,2.22,154.47,34.97,--,--,--,--,--,--,--,--,--, 净资产报酬率(%),12.03,69.66,32.59,57.25,2.37,56.5,14.61,47.02,2.2,48.41,9.66,38.98,0.59,40.55,9.45,42.07,--,47.17,--,39.16,11.91,54.67,23.2,25.17, 资产报酬率(%),6.99,40.68,17.42,28.98,1.23,29.9,7.44,23.01,1.07,23.92,4.6,18.94,0.31,21.3,4.67,17.93,--,20.05,--,18.77,5.75,15.38,6.96,8.15, 销售毛利率(%),--,--,--,--,--,--,--,39.79,37.82,38.83,39.04,39.02,37.57,40.96,41.56,41.71,39.82,42.35,42.59,45.92,46.25,45.43,44.05,39.43, 三项费用比重(%),18.54,19.77,18.8,19.51,24.51,24.99,24.75,25.16,27.34,25.93,25.84,33.04,36.49,34.76,34.49,35,37.88,36.05,36.24,38.85,38.01,42.99,38.38,33.06, 非主营比重(%),-0.67,-1.38,-1.72,-1.81,-10.58,10.79,11.23,-0.35,-0.24,2.05,1.88,2.78,-1.6,5.74,13.18,12.33,50.7,17.73,15.17,13.51,6.43,22.94,14.23,15.35, 主营利润比重(%),192.44,212.19,210.49,230.09,638.67,418.34,392.4,457.08,748.81,545.83,550.29,592.46,1867.18,569.15,545.59,591.91,1534.25,588.98,600.68,579.55,538.09,1595.91,709.8,571.02,