报告日期,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31, 总资产利润率(%),9.59,8,5.16,2.18,16.13,--,8.54,--,17.26,10.63,21.3,12.07,13.01, 主营业务利润率(%),49.95,50.65,50.1,48.15,47.78,48.2,47.89,47.76,47.53,47.54,45.78,37.25,38.02, 总资产净利润率(%),12.89,10.52,6.78,2.84,17.8,--,9.15,--,18.58,10.83,21.43,12.91,13.01, 成本费用利润率(%),35.19,36.59,33.98,25.91,28.83,30.59,28.73,26.42,30.28,32.37,38.26,22.58,24.17, 营业利润率(%),26.49,27.63,26.11,20.47,22.33,23.58,22.43,20.73,23.34,24.84,27.82,18.3,19.19, 主营业务成本率(%),48.69,47.88,48.33,50.12,50.91,50.35,50.78,51.06,51.13,50.84,52.79,61.75,61.14, 销售净利率(%),21.77,22.24,20.98,16.5,18.09,18.97,18.05,16.65,18.9,20.02,23.17,15.56,16.63, 净资产收益率(%),11.35,9.09,6.03,2.58,22.59,--,12.6,--,25.41,15.7,36.11,18.5,20.15, 股本报酬率(%),266.34,106.78,189.73,28.23,304.58,114.05,74.2,33.45,258.6,--,--,--,--, 净资产报酬率(%),22.05,9.07,16.65,2.57,45.72,--,12.48,--,50.58,15.7,65.23,18.42,20.15, 资产报酬率(%),18.67,8,14.29,2.18,32.85,--,8.54,--,34.36,10.63,38.52,12.07,13.01, 销售毛利率(%),--,--,51.67,49.88,49.09,--,49.22,48.94,48.87,49.16,47.21,38.25,38.86, 三项费用比重(%),25.76,25.73,26.81,27.21,25.45,25.19,25.82,25.99,24.02,22.86,18.62,18.95,18.83, 非主营比重(%),6.04,0.75,-0.12,0.08,0.35,-0.1,-0.15,-0.29,-0.78,-1.86,0.41,0.82,1.71, 主营利润比重(%),187.26,184.4,192.21,235.05,213.36,204.65,213.85,231.07,205.18,194.97,164.28,201.92,194.7,