报告日期,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(%),0.54,7.26,5.05,3.25,1.22,5.87,5.01,3.13,1.22,6.24,4.95,2.95,1.06,7.15,--,2.52,--,3.31,4.92,3.57,3.99, 主营业务利润率(%),27.33,31.47,31.42,30.32,27.46,26.74,26.44,25.64,24.05,26.05,25.19,24.79,20.63,25.94,25.92,26.46,23.03,25.21,25.72,23.94,24.39, 总资产净利润率(%),0.55,7.54,5.24,3.33,1.24,6.11,5.17,3.16,1.23,6.89,5.42,3.25,1.19,7.36,--,2.58,--,3.24,5.03,3.68,3.99, 成本费用利润率(%),7.28,15.49,14.57,14.76,11.83,11.41,12.87,11.51,9.43,11.86,12.35,11.63,9.45,13.15,12.61,10.65,9.47,6.81,9.96,8.18,9.54, 营业利润率(%),6.88,13.08,12.19,12.48,10.62,10.06,11.28,10.42,8.83,10.68,10.54,9.82,8.44,10.28,9.51,7.02,5.85,5.4,8.42,7.39,8.34, 主营业务成本率(%),70.69,66.97,67.08,68.12,70.86,71.65,71.93,72.66,74.11,72.19,73.05,73.55,77.5,72.43,72.92,72.32,75.71,73.77,73.36,75.07,74.45, 销售净利率(%),5.41,10.79,10.32,10.18,8.5,8.94,10.08,9.37,7.66,9.25,9.58,9,7.78,10.37,9.6,7.79,7.08,4.61,7.61,5.94,6.53, 净资产收益率(%),0.84,9.72,6.91,4.47,1.67,7.58,6.44,3.91,1.47,7.57,6.03,3.77,1.42,10.86,--,3.74,--,4.32,7.25,5.18,6.8, 股本报酬率(%),7.25,322.01,64.96,255.07,15.1,274.03,58.93,234,17.64,336.61,69.71,279.67,20.89,--,--,--,--,--,--,--,--, 净资产报酬率(%),0.75,33.51,6.98,28.15,1.66,30.54,6.65,27.14,1.57,30.42,6.41,26.45,1.5,41.44,--,4.05,--,32.42,33,5.74,26.08, 资产报酬率(%),0.54,24.93,5.05,20.29,1.22,22.94,5.01,20.84,1.22,23.49,4.95,19.57,1.06,26.25,--,2.52,--,21.03,20.43,3.57,16.5, 销售毛利率(%),--,--,--,31.88,29.14,28.35,28.07,27.34,25.89,--,26.95,26.45,22.5,27.57,27.08,27.68,24.29,26.23,26.64,24.93,25.55, 三项费用比重(%),18.75,15.78,15.13,14.77,17.16,16.08,15.37,18.22,17.68,17.15,15.22,15.2,14.8,17.84,17.5,18.31,17.77,17.3,17.22,17.25,16.08, 非主营比重(%),7.72,13.6,-0.54,5.27,5.14,25.72,29.71,32.04,37.14,24.47,23.08,22.81,30.58,37.15,27.03,22.76,41.32,-15.73,14.63,15.85,6.47, 主营利润比重(%),410.71,240.93,257.67,243.21,258.62,262.18,231,240.6,272.43,241.15,226.57,235.84,231.77,214.6,224.49,270.57,256.86,401.82,282.06,313.67,278.93,