报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2018-06-30,2017-12-31,2017-09-30,2017-06-30,2016-12-31,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 总资产利润率(%),0.81,3.73,2.82,3.06,--,8.32,--,4.62,8.56,4.32,8.39,6.63,4.74,10.32,9.72,12.52,7.92,1.47, 主营业务利润率(%),12.2,16.04,19.41,20.16,18.72,21.8,22.04,21.97,20.07,20.31,20.06,19.96,20.02,24.22,27.69,21.31,18.75,14.58, 总资产净利润率(%),0.84,4.59,3.42,3.16,--,8.9,--,4.63,9.51,4.69,9.1,6.95,4.85,12.5,9.98,13.66,8.38,1.47, 成本费用利润率(%),6.32,6.84,7.99,9.62,7.18,10.97,10.91,10.38,9.93,10.06,8.59,8.99,9.34,12.21,18.34,11.17,8.29,1.55, 营业利润率(%),5.9,6.17,7.14,8.47,6.5,10.11,9.51,9.06,8.36,8.26,7.95,7.81,7.73,10.45,14.57,9.67,7.01,1.4, 主营业务成本率(%),87.47,83.45,80.13,79.42,80.85,77.7,77.46,77.5,79.43,79.21,79.4,79.48,79.48,75.18,71.7,78.26,80.98,85.15, 销售净利率(%),5.06,5.82,6.13,7.14,5.56,8.22,7.81,8.13,7.29,7.43,6.87,7.35,7.93,8.96,12.97,8.21,6.37,1.31, 净资产收益率(%),1.1,4.82,3.56,4.17,--,11.1,--,5.76,11.19,5.73,11.99,9.1,6.39,14.22,14.73,23.41,26.21,5.81, 股本报酬率(%),7.8,73.7,24.4,67.38,8.11,62.29,43.03,30.23,55.68,26.81,47.26,34.69,23.6,49.05,37.18,--,--,--, 净资产报酬率(%),1.11,10.65,3.57,11.48,--,11.07,--,5.73,11.22,5.74,11.97,9.08,6.36,14.11,14.73,23.07,25.79,5.73, 资产报酬率(%),0.81,8.22,2.82,8.42,--,8.32,--,4.62,8.56,4.32,8.39,6.63,4.74,10.32,9.72,12.52,7.92,1.47, 销售毛利率(%),--,--,--,--,--,--,--,22.5,20.57,20.79,--,20.52,20.52,24.82,28.3,21.74,19.02,14.85, 三项费用比重(%),5.96,5.96,8.51,7.9,8.41,8.3,8.88,8.85,8.01,8.14,12.17,11.87,11.8,13.44,12.74,11.03,11.57,12.62, 非主营比重(%),1.18,5.39,0.18,0.25,-0.45,-4.64,1.78,0.59,5.27,7.42,0.68,6.95,11.56,3.88,6.53,3.58,8.82,9.8, 主营利润比重(%),206.02,260.66,272.67,238.84,290.84,229.69,232.6,243.55,229.83,229.94,253.32,241.68,233.53,222.37,177.56,212.62,243.77,956.83,