报告日期,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(%),4.98,5.04,10.63,7.66,6.16,10.6,11.64,13.24, 主营业务利润率(%),22.01,19.7,24.61,23.37,19.43,21.11,22.14,19.11, 总资产净利润率(%),5.33,5.67,11.88,9.49,6.8,11.57,12.78,13.24, 成本费用利润率(%),9.6,8.52,17.26,13.82,7.33,12.08,11.07,10.81, 营业利润率(%),4.55,7.91,14.41,12.24,6.59,10.74,9.77,9.59, 主营业务成本率(%),77.36,79.52,74.86,76.18,80.23,78.49,77.44,80.52, 销售净利率(%),5.97,6.18,12.18,9.66,5.63,9.12,8.38,8.17, 净资产收益率(%),9.47,8.28,14.19,9.14,8.22,22.95,23.54,28.85, 股本报酬率(%),101.61,90.78,103.65,152.69,101.06,--,--,--, 净资产报酬率(%),22.66,21,25.02,18.98,19.75,40.8,39.56,45.1, 资产报酬率(%),12.38,12.77,18.76,15.91,14.81,18.84,19.56,20.69, 销售毛利率(%),22.64,20.48,25.14,23.82,19.77,21.51,22.56,19.48, 三项费用比重(%),9.48,12.25,10.11,10.98,12.25,11.34,12.15,9.61, 非主营比重(%),46.92,1.71,1.56,0.8,4.22,7.48,2.04,1.99, 主营利润比重(%),262.11,249.77,166.81,192.96,285.8,193.68,222.15,195.43,