报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 总资产利润率(%),3.16,10.32,9.79,6.49,3.79,11.94,9.89,6.68,4.17,12.48,10.5,7.88,4.16,11.66,9.3,7.41,--,16.89,--,--,6.75,3.28,6.08, 主营业务利润率(%),57.43,58.79,59.24,60.1,55.59,51.07,50.66,49.91,47.36,49.23,48.36,47.64,45.12,46.03,45.85,43.34,44.7,41.15,41.65,42.02,26.66,20.9,26.08, 总资产净利润率(%),3.34,12.45,10.78,7.17,3.9,14.3,11.3,7.48,4.27,13.93,11.38,8.15,4.33,14.9,11.39,7.74,--,18.24,--,--,6.17,3.74,6.08, 成本费用利润率(%),58.65,50.56,52.34,55.17,51.89,41.39,42.16,42.26,43.84,40.74,44.36,42.98,46.35,46.5,50.24,43.17,43.29,62.52,64.34,90.11,25.69,16.28,18.94, 营业利润率(%),34.35,30.09,31.14,32.77,31.9,27.03,27.29,27.3,27.78,27.08,28.95,30.43,32.18,31.67,33.56,30.06,30.03,27.68,25.13,30.32,21.03,14.24,15.95, 主营业务成本率(%),42.44,41.04,40.61,39.74,44.28,48.76,49.18,49.92,52.5,50.53,51.42,52.13,54.65,53.62,53.85,56.34,54.96,57.91,57.77,57.12,72.56,78.4,73.61, 销售净利率(%),30.94,27.33,28.23,29.15,27.79,24.55,24.54,24.58,24.41,24.97,25.64,26.73,27.92,28.24,28.53,25.48,25.08,44.21,45.41,60.8,18.68,12.13,14.07, 净资产收益率(%),6.82,21.66,17.89,12.66,6.44,20.39,16,10.96,5.79,17.54,14.4,10.26,5.77,15.31,11.4,8.57,--,19.57,--,--,8.01,4.89,6.91, 股本报酬率(%),29.25,121.46,65.21,98.9,28.4,122,62.43,97.38,26.95,118.56,60.54,79.35,28.72,119.67,52.81,81.82,--,--,--,--,--,--,--, 净资产报酬率(%),6.79,30.3,17.62,21.77,6.35,29.18,16,20.4,5.79,27.05,14.4,19.8,5.77,24.69,11.4,20.49,--,31.26,--,--,13.91,9.3,6.9, 资产报酬率(%),3.16,14.7,9.79,11.34,3.79,17.26,9.89,12.44,4.17,19.25,10.5,15.21,4.16,18.81,9.3,17.7,--,26.99,--,--,11.72,6.23,6.08, 销售毛利率(%),--,--,--,--,--,--,--,50.08,47.5,49.47,48.58,47.87,45.35,46.38,46.15,43.66,45.04,42.09,42.23,42.88,27.44,21.6,26.39, 三项费用比重(%),17.96,20.85,20.99,20.11,17.39,17.63,16.39,15.86,12.67,16.75,14.23,18.93,14.78,14.88,13.06,13.5,14.54,16.36,18.87,14.88,10.96,10.95,12.03, 非主营比重(%),2.27,5.23,4.15,1.65,2.2,3.44,2.9,3.5,3.18,3.47,5.46,5.56,5.39,2.96,2.96,2.27,1.47,46.72,53.3,58.11,30.86,31.81,13.78, 主营利润比重(%),161.75,187.36,183.29,181.53,173.36,185.37,182.77,179.11,165.42,178.97,165.5,155.49,139.77,143.8,135.76,143.11,147.84,87.53,83.82,64.01,123.08,142.55,160.21,