报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2017-12-31,2016-12-31, 总资产利润率(%),1.17,0.8,0.35,6.12,4.05,4.03,0.69,6.85,--,--,0.81,4.49,3.25,3.63, 主营业务利润率(%),12.76,14.94,17.42,20.5,22.55,25.59,100,23.8,19.61,23.79,100,20.35,16.77,24.61, 总资产净利润率(%),1.15,0.78,0.33,8.12,5.21,4.4,0.73,7.16,--,--,0.87,5.56,3.76,3.63, 成本费用利润率(%),3.22,4.75,6.81,12.63,13.3,13.24,--,9.55,9.2,8.89,--,6.31,3.42,7.51, 营业利润率(%),2.99,4.41,6.32,10.7,11.16,11,6.72,8.23,7.9,7.66,6.07,5.62,3.14,5.61, 主营业务成本率(%),86.8,84.52,82.11,79.17,77.07,74.1,--,75.82,80.02,75.91,--,79.46,82.74,74.74, 销售净利率(%),3.05,3.4,4.6,9.13,9.39,8.99,5.29,7.11,6.59,6.48,5.16,4.69,2.73,4.58, 净资产收益率(%),2.11,1.44,0.59,11.5,7.3,11.43,2,18.23,--,--,2.26,12.85,6.54,8.51, 股本报酬率(%),38.56,78.66,10.93,253.55,127.55,160.79,--,--,--,--,--,--,--,--, 净资产报酬率(%),2.11,4.34,0.59,13.86,7.3,16.29,2,22.5,--,--,2.26,12.85,6.55,8.54, 资产报酬率(%),1.17,2.42,0.35,7.38,4.05,5.74,0.69,8.45,--,--,0.81,4.49,3.25,3.63, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,--,20.54,17.26,25.26, 三项费用比重(%),7.36,8.55,11.9,5.65,6.7,8.83,0,10.94,6.2,11.13,0,10.19,10.57,10.76, 非主营比重(%),90.52,50.39,17.93,2.77,0.58,-2.15,0,6.36,5.88,9.14,0,5.88,8.95,13.44, 主营利润比重(%),419.67,336.01,270.71,190.66,201.43,232.17,1485.8,286.13,246.19,306.33,1572.74,359.2,521.9,380.37,