报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31, 总资产利润率(%),11.3,7.48,3.25,14.21,10.83,7.12,3.08,18.03,13.04,8.86,3.2,17.18,13.98,10.1,4.15,38.2,32.27,24.32,--,32.17,--,6.25,23.79,26.48,22.18, 主营业务利润率(%),27.38,27.47,28.55,33.31,35.33,37.1,38.12,39.04,37.93,37.4,38.13,42.17,41.03,42.12,46.58,47.88,48.23,49.14,45.52,41.26,40.32,32.49,32.8,31.2,31.58, 总资产净利润率(%),11.72,7.62,3.35,16.49,11.88,7.26,3.09,19.29,13.42,8.85,3.24,22.25,17.52,12.19,5.09,49.64,40.32,27.53,--,42.89,--,6.25,28.96,32.54,22.18, 成本费用利润率(%),24.19,23.33,24.56,32.26,35.78,41.37,38.49,44.52,44.96,44.57,35.52,53.47,55.89,51.62,42.76,54.95,61.88,65.05,59.02,46.14,45.43,25.88,24.26,26.19,24.43, 营业利润率(%),18.81,18.24,18.84,23.54,25.43,28.27,26.25,29.21,29.23,29.69,25.52,33.08,34.59,34.98,30.07,35.22,38.16,39.42,36.79,30.77,30.85,20.48,18.7,19.94,18.2, 主营业务成本率(%),72.16,72.07,70.96,66.25,64.17,62.17,61.04,60.17,61.29,61.78,60.85,56.97,58.02,56.87,52.18,51.06,51.1,49.94,53.52,57.94,58.83,65.27,66.71,68.43,68, 销售净利率(%),16.31,15.97,15.98,20.11,21.33,23.63,22.79,25.44,25.11,25.68,22.39,29.22,29.91,30.26,25.52,30.06,32.21,33.46,31.15,27.04,26.9,17.89,16.81,18.41,17.63, 净资产收益率(%),16.95,11.63,5.04,21.32,15.47,9.49,3.89,23.45,16.98,11.53,3.97,21.87,17.25,12.04,4.96,58.97,52.15,39.13,--,53.09,--,10.68,38.7,50.98,45.92, 股本报酬率(%),117.08,118.43,56.51,290,156.16,135.7,36.77,251.66,142.61,124.12,33.85,202.28,131.54,106.67,37.27,277.68,--,--,--,--,--,--,--,--,--, 净资产报酬率(%),16.96,18.34,5.01,27.1,15.78,14.95,3.86,27.5,16.9,15.56,3.96,24.74,17.12,14.66,4.92,62.73,56.31,44.13,--,58.42,--,10.67,46.84,62.26,45.86, 资产报酬率(%),11.3,11.87,3.25,17.71,10.83,10.99,3.08,21.21,13.04,12.03,3.2,19.62,13.98,12.4,4.15,41.06,35.18,27.75,--,35.84,--,6.25,28.8,32.38,22.18, 销售毛利率(%),--,--,--,--,--,--,--,--,--,38.22,39.15,43.03,41.98,43.13,47.82,48.94,48.9,50.06,46.48,42.06,41.17,34.73,33.29,31.57,32, 三项费用比重(%),5.15,5.61,5.16,6.14,6.3,5.29,6.19,4.67,2.97,3.99,9.8,4.45,2.95,9.93,16.92,12.03,9.93,9.82,8.09,10.04,9.07,11.92,14.07,10.6,12.81, 非主营比重(%),6.1,6.59,5.42,6.24,5.52,4.52,3.53,3.59,4.1,4.93,6.83,6.71,4,4.01,1.19,0.22,0.11,0.25,0.44,3.26,1.51,1.3,6.01,4.95,8.63, 主营利润比重(%),145.55,150.71,151.77,141.77,139.13,131.53,145.49,133.62,129.69,126.02,149.77,126.63,118.55,120.35,154.87,135.81,126.33,124.48,123.24,129.99,129.09,158.01,166.33,150.05,159.16,