报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),2.33,9.71,8.2,5.08,2.19,8.28,9.47,6.72,3.69,8.65,5.76,2.55,0.99,7.14,5.28,3.33,1.45,14.65,--,--,--,17.78,16.6,7.91,6.59, 主营业务利润率(%),24.87,28.03,29.44,28.18,28.27,26.4,26.8,26.88,26.11,22.83,22.57,21.57,22.52,26.41,28.04,28.01,29.45,27.91,28.03,28.05,26.51,27.32,25.9,27.04,27.81, 总资产净利润率(%),2.52,11.4,9.36,5.78,2.35,11.13,10.59,7.32,3.76,10.73,7.15,2.99,1.04,9.86,6.69,4.04,1.75,17.1,--,--,--,20.05,21.17,7.19,6.59, 成本费用利润率(%),12.15,13.98,15.84,15.11,13.78,11.84,12.63,13.22,13.41,9.19,8.92,4.6,3.47,9.24,9.67,9.54,8.54,14.72,10.98,10.99,7.52,13.62,11.18,5.64,6.15, 营业利润率(%),9.91,11.19,12.45,11.93,10.85,9.59,10.14,10.64,10.91,7.75,7.48,4.45,3.36,8.44,8.7,8.61,6.87,10.79,8.95,8.58,5.69,10.21,9.04,3.12,4.9, 主营业务成本率(%),74.89,71.69,70.3,71.6,71.51,73.33,72.98,72.9,73.73,76.81,77.06,78.04,76.88,73.21,71.47,71.38,70.2,71.77,71.7,71.67,73.38,72.24,73.52,72.4,71.47, 销售净利率(%),9.34,10.34,11.37,10.87,9.98,8.88,9.07,9.38,9.26,6.95,6.67,4.11,3.12,7.79,7.97,7.87,7.16,11.71,9.07,9.25,6.66,10.71,8.63,5.56,5.83, 净资产收益率(%),4.89,18.16,14.97,9.84,3.83,13.05,21.8,15.89,7.82,19.36,13.85,5.82,1.78,11.91,7.19,4.17,1.83,28.26,--,--,--,31.18,28.76,22.88,15.86, 股本报酬率(%),33.21,130.56,92.63,67.89,38.78,142.26,99.45,82.74,31.72,85.16,48.14,29.76,8.34,69.11,31.41,29.55,10.11,80.18,31.96,20.09,7.37,66.58,--,--,--, 净资产报酬率(%),4.89,20.22,14.97,11.72,3.83,14.65,21.8,19.78,7.82,23.02,13.85,9.38,1.78,15.01,7.19,6.98,1.83,33.72,--,--,--,35.66,28.76,22.88,15.86, 资产报酬率(%),2.33,10.82,8.2,6.06,2.19,9.3,9.47,8.37,3.69,10.29,5.76,4.11,0.99,9,5.28,5.56,1.45,17.47,--,--,--,20.34,16.6,7.91,6.59, 销售毛利率(%),--,--,--,--,--,--,--,27.1,26.27,23.19,22.94,21.96,23.12,26.79,28.53,28.62,29.81,28.23,28.3,28.33,26.62,27.76,26.48,27.6,28.53, 三项费用比重(%),6.41,7.89,7.99,7.06,7.01,6.91,6.84,7.11,7.52,6.72,5.82,16.73,19.26,17.84,19.29,19.57,20.76,16.75,19.3,20.21,19.96,17.14,16.63,24.34,22.94, 非主营比重(%),3.87,5.87,4.26,6.14,8.66,-0.36,-0.05,-0.16,0.3,2.01,-0.32,-0.9,2.26,5.34,6.86,2.24,12.74,17.54,10.56,14.78,17.72,17.07,10.73,47.6,16.79, 主营利润比重(%),251.02,251.08,236.6,236.52,260.61,277.1,265.05,253.41,239.24,296.28,303.95,493.11,670.26,312.81,317.89,320.59,377.52,213.42,279.68,277,377.05,223.33,255.29,492.93,475.63,