报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31, 总资产利润率(%),6.66,7.47,7.75,9.4,5.76,8.29,8.67,9.6,10.12,8.53,5.98,15.58,20.47,21.86, 主营业务利润率(%),34.92,33.43,34.63,37.82,34.68,35.29,33.13,34.65,33.48,31.51,34.86,25.33,23.4,26.06, 总资产净利润率(%),7.04,8.12,8.82,10.3,6.75,8.79,8.97,10.09,10.65,8.92,9.94,18.67,24.37,21.86, 成本费用利润率(%),19.66,19.75,21.78,23.84,19.72,26.33,26.23,30.06,28.5,30.13,29.32,18.72,17.65,18.95, 营业利润率(%),15.3,15.69,17.97,18.29,16.02,20.75,20.66,22.5,22.07,22.73,22.07,15.42,14.84,15.8, 主营业务成本率(%),64.37,65.81,64.49,61.33,64.55,63.97,66.34,64.63,65.86,68.18,64.88,74.48,76.45,73.8, 销售净利率(%),14.17,15.22,15.78,16.55,14.25,17.88,18.33,19.63,18.91,19.68,18.86,13.62,13.87,14.73, 净资产收益率(%),10.02,11.55,11.58,11.75,6.46,9.89,10.02,11.1,11.43,9.47,6.48,21.87,30.4,34.75, 股本报酬率(%),200.87,178.21,147.14,257.86,159.59,129.89,103.41,97.56,137.88,106.57,70.13,--,--,--, 净资产报酬率(%),22.74,23.74,22.66,21.49,14.76,16.46,14.14,14.28,13.63,11.5,8.09,29.91,30.4,34.75, 资产报酬率(%),15.37,15.33,15.05,16.96,12.71,13.62,12.23,12.35,12.07,10.36,7.46,21.22,20.47,21.86, 销售毛利率(%),--,--,--,--,--,--,--,--,34.14,31.82,35.12,25.52,23.55,26.2, 三项费用比重(%),12.37,12.5,17.41,18,18.58,15.27,13.36,11.67,11.85,8.66,10.64,9.79,7.62,9.49, 非主营比重(%),0.66,5.4,5.57,4.61,5.98,5.9,7.11,2.81,1.17,2.24,0.7,4,3.52,-0.41, 主营利润比重(%),229.33,214.01,192.07,197.79,209.64,167.62,157.42,149.67,149.92,135.56,156.88,160.22,157.38,164.85,