报告日期,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-06-30,2016-12-31,2015-12-31,2014-12-31, 总资产利润率(%),16.82,2.43,10.27,6.91,3.42,1.56,7.8,5.87,--,--,10.27,6.56,13.08,8.26,10.99, 主营业务利润率(%),43.48,35.17,32.99,32.39,31.58,31.02,30.29,28.71,28.59,28.71,33.23,33.67,35.01,32.76,32.33, 总资产净利润率(%),19.27,2.63,10.71,7.18,3.61,1.71,8.75,6.02,--,--,11.19,6.68,13.25,8.48,10.99, 成本费用利润率(%),56.58,21.83,20.06,18.35,14.74,15.39,15.82,14.01,13.48,14.7,20.12,22.32,23.54,14.12,18.02, 营业利润率(%),36.75,17.86,16.6,15.62,12.81,13.53,13.69,12.21,11.7,12.57,16.57,18.93,18.25,10.68,13.25, 主营业务成本率(%),56.12,64.26,66.12,66.59,67.64,68.08,68.62,70.17,70.15,69.97,66.08,65.67,64.35,66.8,66.89, 销售净利率(%),31.54,15.14,13.78,12.66,10.12,10.66,11.16,9.68,9.56,9.96,13.63,15.52,15.92,9.63,12.75, 净资产收益率(%),28.25,4.24,15.88,11.16,6.07,3,17.35,11.49,--,--,21.48,12.96,24.63,15.99,27.36, 股本报酬率(%),220.5,21.43,223.85,51.33,165.77,12.99,203.07,178.6,23.04,--,--,--,--,--,--, 净资产报酬率(%),55.27,4.19,45.9,11.05,37.81,2.96,57.49,54.04,--,--,62.64,12.71,62.12,47.09,25.94, 资产报酬率(%),33.01,2.43,29.95,6.91,21.58,1.56,26.2,28,--,--,30.28,6.56,33.34,25.33,10.99, 销售毛利率(%),--,--,--,--,32.36,31.92,31.38,29.83,29.85,30.03,33.92,34.33,35.65,33.2,33.11, 三项费用比重(%),8.25,14.9,16.51,16.45,17.7,17.1,16.47,15.53,15.74,14.18,15.22,16.83,15.05,16.84,17.58, 非主营比重(%),3.72,-1.47,4.09,7.78,-3.19,-0.26,0.43,0.98,1.21,0.04,-7.79,-17.02,-8.61,17.53,22.96, 主营利润比重(%),118.65,202.1,196.9,209.99,248.73,234.2,222.17,236.01,243.3,228.57,201.42,181.41,185.77,276.04,210.42,