报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),0.24,-4.01,-1.42,-1.09,-0.36,3.37,5.06,4.55,3.78,11.21,8.85,7.11,--,9.4,--,9.65,5.26,16.27,16.6,8.32, 主营业务利润率(%),17.72,16.64,14.74,14.74,18.11,36.52,42.16,47.52,49.4,47.22,45.78,44.19,46.77,44.55,46.23,47.89,51.46,56.21,63.34,57.62, 总资产净利润率(%),0.24,-4.26,-1.48,-1.12,-0.39,3.4,4.99,4.7,3.86,15.78,11.49,7.88,--,10.69,--,11.67,5.93,18.72,21.89,8.32, 成本费用利润率(%),4.36,-22.18,-10.38,-11.65,-9.06,13.46,28.34,38.19,47.6,41.99,37.91,35.25,31.09,32.26,34.59,35.37,34.02,45.32,54.7,27.5, 营业利润率(%),4.34,-24.08,-11.36,-12.63,-9.86,11,21.36,27.9,32.24,29.15,26.82,25.15,23.72,23.75,25.56,23.3,23.34,29.1,31.72,19.84, 主营业务成本率(%),81.22,82.18,84.18,84.21,80.93,62.69,57.07,51.75,49.95,51.44,52.74,54.2,52.1,54.44,53.19,51.4,47.83,43.4,35.77,41.55, 销售净利率(%),4.65,-17.52,-8.01,-9.38,-7.37,10.31,17.62,23.25,27.3,25.57,23.49,22.61,20.01,21.19,22.21,23.14,22.93,27.22,28.53,16.01, 净资产收益率(%),0.52,-8.62,-2.75,-2.07,-0.74,6.27,8.77,8.65,7.15,20.88,13.96,13.57,--,16.7,--,15.59,7.83,20.19,20.51,11.43, 股本报酬率(%),3.36,30.46,-18.79,52.28,-5.17,90.35,59.35,103.21,47.5,168.56,83.08,91.45,17.32,83.47,46.62,64.15,--,--,--,--, 净资产报酬率(%),0.52,4.72,-2.75,7.61,-0.74,13.72,8.77,15.28,7.15,26.04,13.96,20.76,--,21.92,--,20.23,7.83,23.39,20.08,9.77, 资产报酬率(%),0.24,2.19,-1.42,4,-0.36,7.39,5.06,8.05,3.78,13.98,8.85,10.87,--,12.34,--,12.51,5.26,18.85,16.6,8.32, 销售毛利率(%),--,--,--,15.79,19.07,37.31,42.93,48.25,50.05,48.56,47.26,45.8,47.9,45.56,46.81,48.6,52.17,56.6,64.23,58.45, 三项费用比重(%),21.62,21.92,20.35,22.03,24.31,18.73,16.53,19.58,17.06,17.89,17.91,18.23,23.08,20.27,20.77,22.27,26.37,25.31,24.54,30.38, 非主营比重(%),4.24,-1.44,-1.04,-1.08,-2.54,0.16,-1.57,-1.56,0.07,2.54,3.21,5.78,3.88,4.21,2.34,11.62,8.6,7.42,5.25,0.84, 主营利润比重(%),390.8,-71.25,-134.44,-117.98,-188.35,330.03,200.06,172.68,153.37,159.15,167.4,169.3,197.14,182.38,179.28,182.05,201.98,179.47,189.22,287.94,