报告日期,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(%),11.71,11.53,10.36,19.35,21.4,14.04,8.6,2.97,8.45, 主营业务利润率(%),31.09,33.79,37.99,37.97,32.29,30.31,27.14,26.59,26.11, 总资产净利润率(%),12.45,11.48,13.87,23.86,25.82,16.65,9.64,3.07,8.45, 成本费用利润率(%),17.17,14.95,15.69,23.08,19.22,10.99,7.53,2.12,6.92, 营业利润率(%),14.13,12.23,13.43,18.13,15.68,9.59,6.23,0.56,5.92, 主营业务成本率(%),68.72,65.93,61.78,61.84,67.6,69.65,72.82,73.31,73.77, 销售净利率(%),12.45,10.89,11.81,16.26,14.04,8.58,6.34,2.16,5.66, 净资产收益率(%),18.15,16.73,15.82,45.8,46.1,31.89,20.26,4.86,14.02, 股本报酬率(%),319.48,317.21,240.72,523.29,--,--,--,--,--, 净资产报酬率(%),27.42,29.64,24.36,60.1,61.78,31.79,19.98,4.97,14.07, 资产报酬率(%),18.17,20.5,15.41,25.43,28.76,14.04,8.6,2.97,8.45, 销售毛利率(%),--,34.07,38.21,38.16,32.4,30.35,27.18,26.69,26.23, 三项费用比重(%),13.6,15.9,24.27,19.74,16.75,20.19,22.16,25.5,20.24, 非主营比重(%),2.76,-2.5,0.84,3.94,4.41,6.71,19,75.04,11.2, 主营利润比重(%),219.49,275.22,280.6,201.17,198.85,306.91,379.36,1268.9,400.7,