报告日期,2020-09-30,2020-06-30,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31, 总资产利润率(%),3.42,--,15.42,--,--,17.6,20.19,15.94,12.3,23.61, 主营业务利润率(%),48.1,17.44,47.23,49.07,8.95,50.78,51.86,54.92,54.8,55.11, 总资产净利润率(%),4.88,--,18.03,--,--,19.48,21.74,18.15,14.41,23.61, 成本费用利润率(%),25.55,--,32.34,20.89,--,35.55,35.53,32.11,23.29,40.28, 营业利润率(%),19,18.01,23.07,16.18,10.38,25.06,26.32,18.16,12.26,22.28, 主营业务成本率(%),51.22,82.56,51.72,50.04,91.05,47.81,46.51,43.69,43.71,43.41, 销售净利率(%),15.83,--,20.28,13.39,--,21.81,23.69,21.4,15.33,26.39, 净资产收益率(%),4.4,6.75,22.87,--,--,22.95,26.08,22.25,16.24,35.46, 股本报酬率(%),52.64,0,--,--,--,--,--,--,--,--, 净资产报酬率(%),4.4,0,22.87,--,--,22.95,26.08,22.25,16.25,35.12, 资产报酬率(%),3.42,0,15.42,--,--,17.6,20.19,15.94,12.3,23.61, 销售毛利率(%),--,--,--,--,--,52.19,53.49,56.31,56.29,56.59, 三项费用比重(%),22.26,0,20.21,26.49,0,23.16,30.67,35.79,41.34,32.71, 非主营比重(%),-0.67,--,2.21,0.64,--,2.65,5.89,30.22,40.52,29.8, 主营利润比重(%),253.87,--,200.12,303.43,--,197.34,185.22,211.51,271.89,176.36,