报告日期,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2017-12-31,2016-12-31,2015-12-31, 总资产利润率(%),1.38,0.92,0.08,9.7,7.38,4.63,--,13.26,--,6.72,15.51,21.81,18.61, 主营业务利润率(%),20.74,21.6,18.08,26.45,25.21,25.49,23.48,28.77,27.34,26.69,32.97,37.47,34.63, 总资产净利润率(%),1.68,1.12,0.1,10.68,8.06,5.11,--,13.89,--,6.98,17.47,21.68,18.61, 成本费用利润率(%),7.19,6.8,2.28,17.42,16.43,16.17,13.51,21.54,20.14,18.33,25.23,28.71,24.05, 营业利润率(%),6.83,6.54,3.28,14.09,13.26,12.76,9.67,17.04,16.21,14.74,20.28,21.96,19.61, 主营业务成本率(%),77.42,76.26,78.7,72.48,73.7,73.15,73.22,70.44,71.84,72.44,66.03,61.54,64.89, 销售净利率(%),4.54,4.45,0.93,11.92,11.15,11.02,9.81,14.36,13.51,12.3,16.29,18.26,15.98, 净资产收益率(%),1.77,1.07,0.09,12.9,9.95,6.64,--,16.48,--,8.96,19.95,34.61,38.28, 股本报酬率(%),13.33,182.18,0.76,291.3,59.5,236.72,10.2,240.96,68.82,44.37,--,--,--, 净资产报酬率(%),1.56,21.48,0.1,46.77,9.87,40.71,--,44.36,--,8.9,19.95,34.61,37.89, 资产报酬率(%),1.38,18.9,0.08,35.48,7.38,28.62,--,35.9,--,6.72,15.51,21.81,18.61, 销售毛利率(%),--,--,--,--,--,--,--,--,--,27.56,33.97,38.46,35.11, 三项费用比重(%),9.93,10.18,11.94,8.63,7.98,7.69,9.48,7.03,6.92,5.83,12.02,14.36,13.74, 非主营比重(%),-5.07,-7.36,-47.62,2.54,3.11,4.41,17.6,0.72,0.72,0.6,-0.17,0.5,-3.06, 主营利润比重(%),323.3,358.47,845.45,184.8,185.39,191.7,202.05,170.72,170.6,183.91,165.28,169.77,181.94,