报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 总资产利润率(%),2.02,8.38,5.64,3.8,1.98,6.41,4.29,2.63,1.56,2.86,2.74,2.16,1.03,6.3,5.92,4.48,2.5,9.73,17.93,14.02,8.49,26.77,--,--,32.45,24.85,4.43, 主营业务利润率(%),47.87,42.36,38.17,40.8,43.3,41.43,40.51,43.79,44.32,35.97,42.07,43.37,44.07,45.87,47.73,49.8,50.46,51.15,53.13,54.89,51.76,53.68,53.94,52.39,51.74,49.56,41.33, 总资产净利润率(%),2.19,8.73,5.86,3.63,1.94,6.34,4.08,2.43,1.46,3.34,3.16,2.49,1.17,7.74,6.88,5.17,2.57,14.39,20.55,14.99,8.65,31.35,--,--,37.59,29.55,4.43, 成本费用利润率(%),24.9,17.94,16.12,15.41,19.51,14.89,14.22,11.2,14.91,7.17,10.71,13.59,13,17.29,22.34,27.28,30.83,25.35,35.44,37.04,48.86,34.34,47.08,60.75,42.1,31.88,6.79, 营业利润率(%),17.47,13.49,12.77,12.26,15.24,11.57,11.22,10.28,13.3,6.79,7.3,9.9,5.37,10.45,13.92,14.71,22,17.26,24.04,25.56,30.36,21.98,29.91,36.45,23.28,23.5,4.08, 主营业务成本率(%),51.86,57.37,61.58,58.93,56.48,58.29,59.21,55.93,55.46,63.62,57.43,56.11,55.4,53.58,51.7,49.59,48.78,48.44,46.42,44.71,47.93,45.86,45.53,47.08,47.81,49.72,57.91, 销售净利率(%),15.31,12.98,12.44,12.34,14.8,11.39,11.51,10.41,12.95,6.55,10.11,12.01,11.65,14.16,17.91,21.13,19.88,18.91,24.89,25.24,28.56,24.91,31.17,35.87,28.75,21.33,6.14, 净资产收益率(%),3.49,12.4,9.11,5.4,3.23,11,7.32,4.5,2.97,6.23,5.87,4.7,2.33,10.91,9.31,7.23,3.26,12.02,25.06,18.28,10.94,33.13,--,--,37.98,30.71,5.56, 股本报酬率(%),16.82,74.56,39.34,35.89,12.3,53.32,25.64,24.54,9.02,26.86,17.6,21.51,6.43,35.31,24.36,23.85,31.8,134.56,156.48,109.48,66.51,165.29,133.7,--,--,--,--, 净资产报酬率(%),3.44,15.24,8.98,8.54,3.05,13.85,7.07,7.02,2.73,8.3,5.47,6.75,2.18,12.8,9.2,9.38,3.16,13.81,28.99,22.17,14.71,36.45,--,--,40.53,30.71,5.56, 资产报酬率(%),2.02,10.61,5.64,6.06,1.98,8.26,4.29,4.33,1.56,4.08,2.74,3.33,1.03,7.46,5.92,5.89,2.5,11.25,20.79,17,11.41,29.46,--,--,34.63,24.85,4.43, 销售毛利率(%),--,--,--,41.07,43.52,41.71,40.79,44.07,44.54,--,42.57,43.89,44.6,--,48.3,50.41,51.22,--,53.58,55.29,52.07,54.14,54.47,52.92,52.19,50.28,42.09, 三项费用比重(%),18.21,17.31,17.31,20.35,21.54,19.07,19.33,35.31,33.13,31.09,37.64,38.22,38.4,35.43,33.94,35.18,28.59,33.27,28.72,28.81,20.31,31.56,23.79,16.61,28.41,26.09,36.5, 非主营比重(%),-0.97,1.05,0.76,2.64,0.86,1.55,2.37,1.85,-8.61,10.53,28.26,28.21,54.31,35.36,29.11,38.23,9.21,15.95,9.87,5.88,7.16,17.89,9.78,10.2,27.79,3.72,37.5, 主营利润比重(%),273.41,314.97,299.09,332.95,283.6,358.46,361.41,427.07,334.65,527.49,410.92,336.42,359.33,296.27,247.85,213.77,209.46,245.69,198.32,200.5,154.56,200.71,164.06,134.28,160.31,203.16,639.32,