报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 总资产利润率(%),3.27,12.44,9.82,6.26,2.73,11.39,7.96,5.96,2.94,12.3,9.68,7.32,3.74,14.9,11.51,8.14,3.87,14.6,10.55,7.41,3.12,25.69,--,14,--,21.47,24.73,29.33, 主营业务利润率(%),46.18,50.99,53.26,52.82,53.62,49.92,47.93,47.39,49.01,54.07,55.69,58.37,59.59,60.57,61.15,62.56,60.56,61.79,61,61.03,61.94,61.68,63.21,62.29,59.96,58.26,55.73,60.33, 总资产净利润率(%),3.37,13.17,10.19,6.37,2.78,13.06,8.97,6.04,3.01,12.83,9.92,7.35,3.8,15.96,12.01,8.32,3.96,19.62,13.9,9.64,4.22,28.85,--,14.75,--,23.49,28.55,29.33, 成本费用利润率(%),56.48,65.77,73.79,68.29,62.12,61.21,56.86,44.12,47.75,57.01,62.07,69.36,73.71,81.15,83.17,90.62,85.16,99.17,96.28,96.06,96.32,103.53,101.82,98.37,90.2,82.57,79.38,99.07, 营业利润率(%),34.79,36.72,39.13,37.01,35.35,35.51,33.15,31.11,32.63,37.14,38.43,41.02,42.19,45.19,45.85,48.44,47.06,49.79,48.73,47.95,47.77,49.68,49.25,49.14,47.34,44.87,42.98,46.45, 主营业务成本率(%),52.94,47.84,45.56,46.03,44.92,48.73,50.7,51.29,49.72,44.47,42.71,39.92,38.84,38.26,37.79,36.37,38.25,36.92,37.67,37.65,36.67,37.04,35.55,36.48,38.62,40.39,42.92,38.81, 销售净利率(%),29.85,31.99,33,31.17,30.16,30.73,28.15,26.25,27.67,32.37,32.99,35.18,36.14,39.21,39.48,41.79,40.51,43.57,42.03,42.02,41.72,44.2,43.39,41.61,40.32,38.4,38.25,43.45, 净资产收益率(%),3.82,14.24,11.17,7.16,3.06,12.66,8.9,6.76,3.28,13.75,10.78,8.04,4.02,16.06,12.26,8.65,4.06,15.25,10.89,7.65,3.56,27.24,--,15.07,--,22.85,26.81,31.8, 股本报酬率(%),23.5,145.92,63.62,93.18,16.96,115.51,46.15,72.89,14.75,96.78,44.68,64.25,16.96,92.07,47.78,51.88,38.53,186.77,94.42,105.61,30.36,192.32,110.86,106.2,--,--,--,--, 净资产报酬率(%),3.83,24.78,11.18,17.14,3.05,21.44,8.91,16.84,3.27,22.19,10.59,15.71,3.99,22.6,12.26,13.85,4.06,20.5,10.89,12.63,3.56,34.92,--,22.51,--,29.62,26.81,31.8, 资产报酬率(%),3.27,21.58,9.82,14.95,2.73,19.23,7.96,14.84,2.94,20.22,9.68,14.5,3.74,20.97,11.51,13.05,3.87,19.63,10.55,12.23,3.12,32.93,--,20.91,--,27.84,24.73,29.33, 销售毛利率(%),--,--,--,53.97,55.08,51.27,49.3,48.71,50.28,55.53,57.29,60.08,61.16,--,62.21,63.63,61.75,--,62.33,62.35,63.33,62.96,64.45,63.52,61.38,59.61,57.08,61.19, 三项费用比重(%),7.79,6.82,6.25,7.01,10.63,7.16,6.17,17.52,17.12,19.42,18.79,18.53,17.51,17.15,16.98,16.81,16.28,13.34,12.87,12.76,12.83,11.87,13.63,12.44,12.54,13,12.39,13.14, 非主营比重(%),8.25,9.83,8.78,9.27,8.33,4.59,5.42,5.82,3.47,3.89,4.54,3.15,2.93,6.31,5.5,7.62,9.09,5.94,3.96,3.64,2.55,4.37,4.07,0.41,0.19,0.74,4.47,11.23, 主营利润比重(%),132.7,138.85,136.22,142.73,151.41,142.46,144.75,153.16,150.68,145.11,142.22,139.89,139.59,131.94,131.72,127.25,127.62,120.84,122.16,122.81,126.35,118.73,123.12,126.25,126.42,128.89,123.87,115.29,