报告日期,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2015-06-30,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),10.76,--,4.85,24.14,--,10.85,--,26.29,26.08,17.48,6.46,3.72,1.64,4.36,4.09,6.47, 主营业务利润率(%),100,100,100,48.18,100,45.5,100,58.54,58.32,53.56,43.34,42.4,43.27,40.67,39.3,53.24, 总资产净利润率(%),12.85,--,5.1,23.8,--,10.32,--,27.99,29.42,17.59,6.26,3.56,1.64,4.36,4.44,6.47, 成本费用利润率(%),--,--,--,64.91,--,57.67,--,69.4,64.15,41.8,17.97,13.12,13.6,16.17,15.44,31.71, 营业利润率(%),30.93,33.91,34.69,39.42,39.31,36.61,29.43,40.95,39.9,29.37,14.89,10.63,11.59,13.62,12.98,21.61, 主营业务成本率(%),--,--,--,50.92,--,53.55,--,40.5,40.45,45.31,55.67,56.73,55.96,58.59,59.57,44.8, 销售净利率(%),25.05,--,28.29,31.92,31.85,29.64,24.11,33.62,31.13,22.39,11.28,7.5,7.03,10.75,10.56,20.27, 净资产收益率(%),19.55,14.73,7.58,36.77,--,19.62,--,34.92,34.28,26.4,14.31,9.94,4.76,12.03,12.92,19.82, 股本报酬率(%),42.97,0,14.49,201.46,--,--,--,--,--,--,360.53,273.43,--,--,--,--, 净资产报酬率(%),--,--,--,113.99,--,111.54,--,92.37,90.94,99.37,99.62,88.8,4.81,63.82,12.08,18.43, 资产报酬率(%),10.76,0,4.85,74.81,--,61.68,--,69.53,69.19,65.79,48.57,34.7,1.64,24.7,4.09,6.47, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,44.33,43.27,44.04,41.41,40.43,55.21, 三项费用比重(%),0,0,0,8.77,0,8.85,0,17.5,18.84,23.21,27.15,31.52,31.24,27.19,26.23,31.01, 非主营比重(%),0,0,0,-0.05,0,0.23,0,-0.02,-2.78,-0.87,1.19,9.42,3.68,4.04,8.92,12.37, 主营利润比重(%),322.55,294.26,286.19,122.49,254.7,124.54,341.33,143.08,150.22,183.95,287.69,362.62,361.75,290.7,292.77,215.92,