报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2016-12-31, 总资产利润率(%),-0.41,1.8,2.26,1.7,0.31,1.15,1.25,2.12,0.19,4.19,--,--,--,3.79,1.26, 主营业务利润率(%),94.07,94.06,94.06,93.98,92.11,94.49,94.83,94.44,100,94.37,93.9,93.69,100,93.37,96.05, 总资产净利润率(%),-0.42,1.82,2.26,1.7,0.31,1.59,1.72,2.23,0.2,4.37,--,--,--,4.65,1.26, 成本费用利润率(%),-13.81,21.47,37.65,51.25,24.2,19.36,32.94,45.26,--,37.75,23.47,49.25,--,40.14,10.51, 营业利润率(%),-11.73,13.72,22.15,28.02,15.95,12.47,18.1,24.4,5.11,22.18,15.84,27.57,17.83,23.86,6.32, 主营业务成本率(%),5.15,5,4.91,4.86,6.54,4.19,3.91,3.89,--,3.73,4.06,4.02,--,4.76,2.54, 销售净利率(%),-9.75,11.52,20.65,25.96,15.86,11.17,16.2,21.38,5.98,21.18,15.74,24.68,15.91,23.44,6.32, 净资产收益率(%),-0.49,2.08,2.57,1.94,0.36,1.34,1.44,3.51,0.3,6.28,--,--,--,5.5,2.32, 股本报酬率(%),-1.79,12.32,9.37,11.34,1.27,8.58,5.08,4.86,0.42,--,--,--,--,--,--, 净资产报酬率(%),-0.49,3.38,2.57,3.15,0.36,2.43,1.44,3.51,--,9.06,--,--,--,7.99,7.32, 资产报酬率(%),-0.41,2.93,2.26,2.76,0.31,2.08,1.25,2.12,0.19,6.05,--,--,--,5.51,3.97, 销售毛利率(%),--,--,--,--,--,--,--,96.11,95.5,96.27,--,95.98,96.08,95.24,97.46, 三项费用比重(%),79.03,56.58,51.81,47.6,58.11,56.11,49.12,47.53,0,52.26,59.27,48.87,0,50.83,56.23, 非主营比重(%),-29.54,1.53,-1.77,-1.82,0.9,-1.43,-1.23,-1.54,0,2.5,5.51,5.03,0,4.15,1.98, 主营利润比重(%),-801.68,700.77,432.58,341.98,576.75,792,530.28,393.02,2119.61,431.79,611.94,344.75,590.29,404.78,1518.67,