报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-03-31,2012-12-31,2011-12-31,2010-12-31, 总资产利润率(%),0.97,3.8,3.28,2.05,0.63,3.81,3.22,2.01,1.07,3.71,3.2,1.86,1.02,3.58,3.38,2.35,1.31,3.21,3.61,2.09,1.15,3.54,3.07,1.67,1.13,4.31,4.15,2.39,1.24,4.06,--,--,4.62,--, 主营业务利润率(%),36.18,36.19,40.46,41.58,40.25,40.58,43.8,42.79,43.05,42.68,45.94,44.06,45.97,43.44,47.92,48.51,49.6,43.92,50.88,50.95,55.3,47.79,51.62,49.1,49.84,48.36,53.5,53.67,51.81,47.01,--,--,48.16,--, 总资产净利润率(%),0.97,3.81,3.26,2.04,0.63,3.91,3.34,2.01,1.07,3.77,3.23,1.87,1.02,3.98,3.73,2.57,1.43,3.67,3.67,2.12,1.16,4.1,3.5,1.91,1.12,4.76,4.22,2.43,1.24,4.14,--,--,5.09,--, 成本费用利润率(%),33.29,30.45,38.43,37.44,26.5,35.58,45.96,41.8,46.89,39.62,49.63,44.71,52.48,40.65,56.56,60.22,73.28,38.69,65.49,57.2,64.38,52.05,68.02,62.14,76.83,51,62.2,56.09,60.14,47.7,239.78,148.77,56.86,622.97, 营业利润率(%),25.46,23.93,29.02,28.51,21.32,27.25,33.64,31.57,34.72,29.4,34.97,32.64,37.25,31.32,39.94,42.99,47.69,25.81,37.93,34.7,39.32,31,36.81,32.9,40.14,28.98,32.78,28.85,26,27.91,--,--,32.31,--, 主营业务成本率(%),63.01,62.93,58.64,57.42,58.66,58.27,55,55.92,55.53,56.08,52.9,54.74,52.72,55.18,50.77,50.19,49.13,54.76,47.65,47.6,43.26,50.55,46.7,49.08,48.29,50.18,45.2,45.07,46.84,51.53,--,--,50.46,--, 销售净利率(%),22.21,21.07,25.17,24.95,17.69,24.29,29.59,28,30.59,26.92,31.5,29.23,33.67,28.04,35.41,37.96,44.88,27.77,40.07,35.44,36.65,32.68,39.75,36.56,42.13,32.43,36.25,32.65,36.1,29.66,--,--,32.82,--, 净资产收益率(%),2.43,10.04,8.7,5.71,1.68,10.54,9.35,6.89,3.42,12.24,10.63,6.47,3.65,14.83,14.29,10.54,5.76,13.35,10.81,6.57,3.38,11.4,9.97,5.88,2.85,11.08,14.45,8.77,7.47,18.74,6.84,26.8,26.69,--, 股本报酬率(%),7.54,193.3,24.87,173.26,4.82,176.16,25.28,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--, 净资产报酬率(%),2.64,68.92,8.95,63.86,1.78,65.75,9.55,6.47,3.41,12.09,10.39,6.29,55.93,12.67,68.93,66.63,61.86,11.45,66.45,63.8,59.38,9.95,64.5,62.34,68.44,11.39,109.13,108.07,5.93,16.38,0,0,22.57,0, 资产报酬率(%),0.97,24.91,3.28,22.8,0.63,22.93,3.22,2.01,1.07,3.71,3.2,1.86,16.68,3.58,18.88,17.72,16.53,3.21,25.13,23.16,21.77,3.54,23.54,21.38,27.33,4.31,33.98,31.69,1.24,4.06,0,0,4.62,0, 销售毛利率(%),--,--,--,--,--,--,--,44.08,44.47,43.92,47.1,45.26,47.28,44.81,49.23,49.81,50.87,45.24,52.35,52.4,56.74,46.81,53.3,50.92,51.71,49.82,54.8,54.93,53.16,--,--,--,--,--, 三项费用比重(%),12.67,14.58,15.81,17.47,20.69,17.01,16.95,18.27,17.1,16.66,16.21,16.82,16.86,20.27,18.64,20.18,20.84,21.41,17.39,18.39,18.57,18.89,17.34,16.57,12.79,20.35,19.78,21.81,21.33,21.46,--,--,16.01,--, 非主营比重(%),5.69,6.54,6.64,4.38,2.59,7.7,6.99,7.61,9.77,6.7,5.25,4.23,4.68,15.95,16.73,22.91,44.95,25.3,22.81,15.08,8.33,22.24,24.39,24.29,24.91,28.93,25.38,22.14,34.08,26.66,-0.15,7.46,20.42,3.34, 主营利润比重(%),142.09,151.59,139.71,146.36,188.82,149.22,130.27,135.58,123.96,145.58,131.71,135.46,123.58,139.08,119.82,112.4,95.02,146.47,116.79,132.11,135.78,129.13,115.48,117.12,103.06,131.7,129.76,140.43,123.89,132.38,0,0,124.81,0,