报告日期,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 总资产利润率(%),7.94,3.64,2.1,0.34,6.12,3.81,3.01,0.57,6.59,4.04,3.2,1.01,7.83,4.32,5.07,2.39,10.76,--,--,9.34,9.44,13.38, 主营业务利润率(%),48.16,46.64,46.48,41.11,44.02,42.72,44.1,44.07,46.01,45.01,46.63,41.05,46.51,46.18,45.36,47.52,46.08,46.88,45.64,42.11,41.43,38.4, 总资产净利润率(%),8.73,3.84,2.25,0.34,7.19,3.85,3.02,0.55,7.02,4.06,3.21,0.98,9.74,5.2,5.03,2.3,11.5,--,--,9.85,11.25,13.38, 成本费用利润率(%),27.06,17.04,16.95,3.24,19.65,13.3,16.22,5.28,19.98,14.23,18.8,8.92,21.86,16.18,19.02,18.25,20.7,18.65,19.4,16.01,14.19,14.18, 营业利润率(%),19.86,13.66,14,3.21,15.59,11.11,13.62,4.94,15.64,11.67,15.88,7.78,16.55,13.06,15.6,15.37,16.55,15.55,15.81,13.05,11.9,12.19, 主营业务成本率(%),51.06,52.62,52.86,58.35,55.17,56.54,55.11,55.41,53.3,54.37,52.89,58.5,52.84,53.35,54,51.75,52.9,52.31,53.27,56.09,56.67,59.92, 销售净利率(%),16.82,11.23,11.6,4.32,13.65,9.42,10.96,4.96,12.79,10.5,12.69,8.57,14.84,11.57,12.7,12.48,14.02,13.15,12.57,10.62,10.03,10.25, 净资产收益率(%),9.89,4.33,2.68,0.22,8.19,4.94,3.84,0.68,9.25,5.33,4.23,1.26,10.23,5.45,7.41,3.32,16.73,--,--,15.2,18.91,22.21, 股本报酬率(%),92.01,18.58,62.05,2.42,103.82,21.35,63.7,4.07,110.5,27.49,70,9.15,140.1,37.93,--,--,--,--,--,--,--,--, 净资产报酬率(%),21.14,4.52,13.8,0.46,19.85,5.04,15.08,0.71,19.48,5.17,13.38,1.23,19.09,5.45,24.07,19.8,33.38,--,--,34.58,18.91,22.21, 资产报酬率(%),16.49,3.64,10.48,0.34,14.54,3.81,11.56,0.57,14.41,4.04,10.33,1.01,14.65,4.32,16.48,14.23,21.47,--,--,21.25,9.44,13.38, 销售毛利率(%),--,--,--,--,--,--,44.89,44.59,46.7,45.63,47.11,41.5,47.16,46.65,46,48.25,47.1,47.69,46.73,43.91,43.33,40.08, 三项费用比重(%),22.03,26.16,28.74,36.34,23.38,26.58,28.03,37.26,24.82,28.41,32.08,36.27,28.88,32.55,29.07,33.82,28.63,31.06,28.46,27.83,28.16,26.12, 非主营比重(%),1.92,1.55,2.54,11.56,2.91,4.18,3.16,-0.47,8.3,11.14,11.89,27.69,8.45,7.28,2.75,3.26,4.74,2.67,2.87,5.28,3.31,1.97, 主营利润比重(%),240.99,344.15,333.42,1330.77,282.25,383.1,323.96,895.42,292.21,379.34,290.31,483.15,258.32,330.35,284.9,301.81,269.63,298.58,284.15,306.86,336.6,308.83,