报告日期,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31, 总资产利润率(%),4.58,9.34,9.45,7.07,9.83,9.77,11.48,11.73,12.69,11.89, 主营业务利润率(%),25.18,26.03,24.27,24.29,26.66,21.71,20.91,22.03,22.96,20.88, 总资产净利润率(%),5.22,10.2,8.77,7.12,11.36,10.83,12.07,11.95,13.95,11.89, 成本费用利润率(%),6.51,12.02,9.55,7.84,15.56,11.63,10.2,11.05,12.97,11.31, 营业利润率(%),9.43,9.91,7.71,7.13,13.13,10.1,8.93,9.24,11.19,10.15, 主营业务成本率(%),74.33,73.18,74.95,75.03,72.48,77.76,78.66,77.55,76.56,78.78, 销售净利率(%),5.19,8.81,7.21,6.4,11.44,9.08,8.13,8.64,9.85,8.89, 净资产收益率(%),9.52,15.7,15.21,11.28,16.85,14.25,22.79,27.22,30.56,33.24, 股本报酬率(%),264.24,289.21,263.61,232.08,246.55,213.63,--,--,--,--, 净资产报酬率(%),31.5,36.25,38,28.71,33.22,33.48,51.51,58.56,30.56,33.78, 资产报酬率(%),15.24,21.57,23.63,18.01,19.4,23.03,25.95,25.24,12.69,11.89, 销售毛利率(%),--,--,25.05,--,--,22.24,21.34,22.45,23.44,21.22, 三项费用比重(%),10.82,10.56,10.71,16.69,13.14,11.17,11.41,12.31,11.08,10.64, 非主营比重(%),-69.64,2.53,-3.44,5,6.99,4.93,3.22,7.36,2.39,7.04, 主营利润比重(%),451.33,256.03,294.05,335.38,198.08,208.69,226.59,220.88,200.81,205.65,