报告日期,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(%),8.37,5.43,2.89,9.3,6.5,3.76,1.23,9.7,7.95,7.98,--,16.32,--,--,19.02,20.8,15.24, 主营业务利润率(%),22.6,22.04,22.44,21.36,20.54,19.64,18.93,24.9,26.29,27.19,25.3,28.48,28.65,29.15,26.38,24.81,23.7, 总资产净利润率(%),8.74,5.59,2.94,9.78,6.83,3.85,1.24,12.02,9.84,8.34,--,18.56,--,--,21.65,20.65,15.24, 成本费用利润率(%),14.72,14.45,16.59,12.72,12.41,10.45,6.95,14.64,16.52,17.73,14.02,18.43,20.28,20.41,18.01,15.87,12.48, 营业利润率(%),12.41,12.36,14.36,10.76,10.4,9.26,6.57,12.17,13.31,14.5,12.16,14.7,15.98,15.82,14.84,12.8,10.01, 主营业务成本率(%),76.68,77.15,76.83,77.96,78.86,79.82,80.66,74.3,72.89,71.96,73.76,70.53,70.49,69.77,72.6,74.45,75.74, 销售净利率(%),10.8,10.77,12.42,9.65,9.28,8.41,5.99,11.06,12.35,12.92,10.45,13.39,14.6,14.57,13.14,11.56,9.49, 净资产收益率(%),10.29,6.72,3.45,11.11,8.03,4.58,1.46,11.55,9.61,13.45,--,27.65,--,--,31.98,30.5,31.75, 股本报酬率(%),48.16,80.04,26.75,160.38,58.08,101.69,10.04,141.05,63.79,--,--,--,--,--,--,--,--, 净资产报酬率(%),10.29,17.79,3.45,21.42,8.03,14.58,1.46,20.8,9.61,30.92,--,44.72,--,--,49.84,47.47,31.75, 资产报酬率(%),8.37,14.38,2.89,17.93,6.5,11.98,1.23,17.47,7.95,18.34,--,26.39,--,--,29.64,32.37,15.24, 销售毛利率(%),--,22.85,23.17,--,21.14,20.18,19.34,--,27.11,28.04,26.24,29.47,29.51,30.23,27.4,25.55,24.26, 三项费用比重(%),6.76,7.41,8.64,7.14,6.5,11.47,14.56,13.3,12.26,11.94,12.84,12.97,12.03,12.37,11.22,11.77,12.49, 非主营比重(%),7.09,10.68,12.1,12.44,13.66,27.36,62.28,9.06,6.29,3.47,0.92,5.56,5.49,6.85,4.67,7.78,8.89, 主营利润比重(%),182.39,178.61,156.89,195.66,192.53,204.69,284.56,192.32,185.11,181,206.1,182.95,169.47,171.65,172.67,179.73,213.91,