报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),5.83,13.81,10.93,9.58,1.79,10.56,7.92,4.85,1.33,8.98,6.35,3.67,0.95,8.58,6.2,3.69,1.66,12.87,--,5.84,--,13.04,16.45,10.76,11.65, 主营业务利润率(%),65.47,72.83,75.88,76.13,74.84,79.89,80.52,80.37,80.04,82.66,82.81,82.6,81.66,82.76,83.92,84.57,83.52,84.71,84.74,85.55,86.12,87.19,85.44,81.34,76.48, 总资产净利润率(%),6.18,19,14.84,10.42,1.85,11.02,8.08,4.86,1.33,9.46,6.63,3.86,0.99,11.13,7.92,4.66,1.64,13.9,--,6.08,--,14.65,19.33,13.25,11.65, 成本费用利润率(%),64.28,57.21,68.35,57.62,27.2,29.25,29.26,27.12,14.51,29.81,28.71,25.03,14.1,28.95,29.73,27.18,15.63,26.89,26.42,25.4,12.62,27.33,38.14,22.39,19.07, 营业利润率(%),37.22,34.61,38.63,34.64,19.99,21.42,21.55,20.4,12.59,21.71,21.21,20.78,12.84,22.97,23.58,21.86,13.31,20.19,19.82,18.86,10.71,20.87,27.31,18.14,15.34, 主营业务成本率(%),34.05,26.63,23.6,23.35,24.57,19.41,18.81,18.94,19.17,16.5,16.37,16.52,17.38,16.4,15.24,14.54,15.59,14.33,14.51,13.67,13.06,12.12,13.71,17.82,22.8, 销售净利率(%),30.88,29.14,32.66,29.3,16.54,18.78,18.95,18.23,11.57,18.39,18.34,17.43,10.24,19.15,18.9,17.42,10.75,18.72,17.85,17.61,9.82,18.68,24.03,15.96,14.19, 净资产收益率(%),6.66,15.17,11.64,10.98,1.79,13.62,10.12,6.08,1.74,11.79,8.15,4.76,1.26,9.7,7.01,4.18,1.97,15.55,--,7.5,--,15.83,18.42,15.24,15.14, 股本报酬率(%),79.95,234.34,127.2,135.65,11.65,118.26,45.14,72.31,8.7,106.51,40.8,64.68,12.03,168.91,69.75,99.75,13.83,170.6,73.94,46.44,10.8,126.79,--,--,--, 净资产报酬率(%),6.87,21.77,12.04,22.15,2.04,21.7,8.58,14.36,1.45,17.95,6.88,10.82,1.03,15.83,6.76,9.88,1.83,22.95,--,6.79,--,20.69,23.41,15.24,15.14, 资产报酬率(%),5.83,19.31,10.93,18.65,1.79,19.82,7.92,13.2,1.33,16.31,6.35,9.94,0.95,14.37,6.2,9.04,1.66,19.88,--,5.84,--,17.33,20.92,10.76,11.65, 销售毛利率(%),--,--,--,--,--,--,--,81.06,80.83,83.5,83.63,83.48,82.62,83.6,84.76,85.46,84.41,85.67,85.49,86.33,86.94,87.88,86.29,82.18,77.2, 三项费用比重(%),23.36,32.7,32.06,35.78,47.55,52.33,52.69,53.9,62.99,55.45,55.64,64.11,68.89,61.72,62.31,63.92,69.59,63.98,64.46,66.23,75.02,65.87,57.73,62.31,60.87, 非主营比重(%),3.92,0.1,0.45,0.27,3.84,6.1,5.13,5.8,8.51,10.92,6.27,8.45,-0.04,5.82,2.74,-1.37,0.26,5.26,5.89,7.95,4.5,2.95,1.63,0.26,7.67, 主营利润比重(%),175.93,212.6,197.59,221.5,378.4,377.1,381.39,403.04,664.9,380.92,395.98,404.89,664.06,362.1,360.06,392.11,620.65,397.42,402.34,417.48,767.68,405.49,309.92,448.69,475.23,