报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2017-12-31,2016-12-31, 总资产利润率(%),4.65,2.87,1.37,4.94,2.94,5.78,0.85,16.65,12.04,7.94,2.69,23.34,--,16.77,20.05, 主营业务利润率(%),60.41,59.65,60,59.24,58.62,56.18,58.11,58.42,59.91,57.41,58.44,56.82,58.14,56.5,55.61, 总资产净利润率(%),4.72,2.92,1.38,7.57,4.48,5.82,0.84,21.22,14.94,9.71,3.43,26.42,--,18.33,20.05, 成本费用利润率(%),93.74,88.22,93.23,62.95,52.13,49.27,--,60.38,--,53.18,--,52.84,--,34.38,43.39, 营业利润率(%),46.72,44.28,44.58,38.14,34.61,34.77,24.3,35.6,--,32.74,28.51,32.71,--,24.62,26.91, 主营业务成本率(%),38.51,39.24,38.37,39.87,40.39,42.84,41.89,40.59,40.09,41.44,41.56,41.99,41.86,42.22,43.33, 销售净利率(%),40.84,37.69,38.26,31.11,26.57,25.25,10.99,30.95,30.14,27.84,24.24,28.34,26.37,19.95,24.74, 净资产收益率(%),4.82,3.06,1.41,5.1,3.03,6.46,0.96,18.96,13.61,9.1,3.07,28.99,--,21.81,29.86, 股本报酬率(%),82.11,75.68,23.82,107.16,49.19,67.93,5.76,140.39,--,--,--,--,--,--,--, 净资产报酬率(%),4.82,4.53,1.41,6.45,3.03,10.73,0.96,22.94,13.61,13.17,3.07,35.23,--,28.61,38.9, 资产报酬率(%),4.65,4.26,1.37,6.24,2.94,9.6,0.85,20.15,12.04,11.49,2.69,28.37,--,22,26.11, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,--,--,--,--,--, 三项费用比重(%),10.26,9.85,7.81,16.28,18.7,16.56,32.56,17.35,20.67,19.01,21.84,18.74,20.87,24.9,21.2, 非主营比重(%),0,0.01,-0,-6.22,-10.5,-16.86,--,-0.04,--,0.03,--,0.01,--,-4.68,5.45, 主营利润比重(%),129.3,134.7,134.6,165.01,187.17,188.82,--,164.16,--,175.28,--,173.68,--,240.25,195.42,