报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31, 总资产利润率(%),0.99,1.2,1.06,3.69,4.85,4.94,5.36,6.03,4.33,4.25,3,2.29,2.58,1.97,-3.78,4.18,4.04,6.59,6.49,7.02, 主营业务利润率(%),19.34,19.24,20.26,21.74,22.41,22.47,22.29,22.3,23.74,25.58,24.51,23.83,23.68,22.26,26.61,27.37,29.26,32.26,34.36,37.78, 总资产净利润率(%),0.99,1.25,1.14,4.05,5.81,6.08,6.79,6.83,5.11,4.3,3.01,2.48,2.7,2.04,-4.19,4.38,5.26,8.04,7.89,7.02, 成本费用利润率(%),2.48,2.93,2.52,6.7,8.61,8.51,7.8,7.33,6.19,6.32,5.84,5.43,5.3,4.62,-7.52,11.32,11.48,15.2,16.73,22.27, 营业利润率(%),2.42,2.68,1.29,5.08,7.25,7.09,7.02,6.35,5.53,5.68,4.4,3.07,3.89,4.53,-8.22,10.35,10.42,13.32,14.46,18.42, 主营业务成本率(%),80,80.15,79.21,77.73,77.09,77.09,77.21,77.23,75.81,73.72,74.95,75.64,75.77,77.3,72.97,72.09,70.19,67.22,64.99,61.28, 销售净利率(%),1.19,1.49,1.44,4.8,6.23,6.35,5.96,5.59,4.81,4.97,4.64,4.37,4.27,3.66,-9.11,8.83,8.56,10.36,8.92,11.21, 净资产收益率(%),0.69,1.99,1.07,8.68,11.2,9.6,11.05,13.59,8.66,6.35,4.86,3.83,6.45,4.95,-9.94,7.55,7.26,20.43,16.86,14.14, 股本报酬率(%),205.81,184.08,147.35,185.97,154.79,228.26,188.63,187.46,139.37,121.33,100.86,114.08,122.21,102.93,42.11,92.71,92.47,--,--,--, 净资产报酬率(%),20.1,18.14,14.9,19.05,18.07,16.66,20.21,28.92,24.1,22.96,20.66,18.78,27.95,25.61,11,23.82,19.27,62.94,66.85,66.13, 资产报酬率(%),6.76,6.02,5.27,7.69,7.73,8.42,9.72,12.9,12.56,15.74,13.39,11.67,12.31,11.46,5.01,13.7,10.72,20.18,25.71,32.83, 销售毛利率(%),20,19.85,20.79,22.27,22.91,22.91,--,22.77,24.19,26.28,25.05,24.36,24.51,22.7,27.03,27.91,29.81,32.78,35.01,38.72, 三项费用比重(%),14.72,15.86,16.73,16.09,14.39,14.98,15.05,15.48,17.57,19.64,19.89,20.42,19.2,19.42,36.98,18.61,19.39,19.67,20.56,18.71, 非主营比重(%),14.15,38.01,46.46,20.15,8.03,10.16,6.11,9.5,10.18,4.83,21.3,47.02,21.66,0.64,-4.32,0.16,-4.47,-1.97,-2.77,-13.17, 主营利润比重(%),818.08,679.67,832.36,343.74,283.15,285.47,308.03,326.35,409.03,430.44,439.7,454.27,468.15,495.42,-320.77,264.97,282.81,242.92,238.28,209.65,