报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31,1992-12-31, 总资产利润率(%),3.19,3.22,3.19,3.41,4.25,3.79,3.82,4.13,3.92,4.1,4.67,3.89,5.31,4.85,6.18,5.88,5.36,4.84,5.89,5.53,5.34,5.23,5.1,4.45,5.16,6.58,7.53,7.58, 主营业务利润率(%),27.3,29.7,25.98,20.27,20.16,20.95,22.95,25.97,28.94,29.61,22.02,27.94,30.41,27.33,27.59,25.23,21.8,19.37,18.88,23.36,22.86,24.36,24.17,27.05,25.55,20.61,12.57,10.94, 总资产净利润率(%),3.38,3.66,3.73,3.93,4.64,3.91,4.27,4.64,4.53,5,5.01,4.23,7.09,6.65,7.36,6.99,6.03,5.42,6.31,6.15,5.63,5.28,5.44,4.6,5.65,7.31,10.39,7.58, 成本费用利润率(%),26.1,28.89,25.96,19.12,20.43,20.24,21.67,25.4,27.9,29.76,20.69,18.82,27.25,23.45,22.39,19.63,14.93,12.8,12.07,11.29,10.95,12.43,13.81,18.41,15.28,19.27,16.26,12.49, 营业利润率(%),20.82,22.67,20.92,16.23,16.94,17.06,17.92,20.38,21.96,23.45,17.77,15.53,21.54,19.13,18.12,16.42,12.8,11.43,11.11,9.52,9.37,11.01,11.87,15.89,13.71,16.9,15.89,11.21, 主营业务成本率(%),63.75,62.52,65.9,70.59,70.65,70.06,68.53,63.44,60.22,59.3,70.61,61,58.01,63.85,65.06,69.09,72.72,75.92,77.09,73.32,73.51,71.98,72.07,69.61,71.77,76.38,86,88.15, 销售净利率(%),14.99,16.55,15.32,11.79,13.27,13.18,13.51,15.19,16.16,17.43,13.15,11.32,14.97,13.52,13.34,11.9,8.87,8.7,8.57,8.03,8.25,9.31,10.37,13.09,11.1,14.34,14.84,11.03, 净资产收益率(%),20.67,21.68,21.14,18.53,18.09,17.86,19.66,19.66,18.17,16.47,14.26,12.65,16.55,14.48,16.3,14.16,11.53,11.31,11.96,10.37,10.95,10.17,10.2,11.23,12.5,17.18,26.36,0.3, 股本报酬率(%),521.34,474.62,353.19,269.59,243.94,182.29,172.47,147.95,110.27,84.53,62.01,45.44,81.87,60.87,42.64,46.79,50.46,86.42,79.78,72.51,67.72,62.42,63.89,70.11,76.3,86.48,96.87,91.35, 净资产报酬率(%),21.78,22.24,20.89,18.41,19.78,17.36,18.02,19.8,17.87,17.03,15.02,12.87,16.59,15.24,17.81,16.87,14.8,15.91,16.1,15.43,17.21,14.73,14.49,14.77,16.14,18.3,19.11,35.57, 资产报酬率(%),3.41,3.43,3.35,3.58,4.41,3.96,3.96,4.29,4.09,4.31,4.95,4.19,5.62,5.33,6.93,6.85,6.67,6.64,7.76,8.14,8.22,7.67,7.27,6.41,6.8,7.85,8.32,8.77, 销售毛利率(%),--,37.48,34.1,29.41,29.35,29.94,31.47,36.56,39.78,40.7,29.39,39,41.99,37.24,34.79,30.91,27.28,24.08,22.91,24.94,26.49,28.02,27.93,30.39,28.23,23.62,14,11.85, 三项费用比重(%),7.01,8.13,7.08,5.64,4.79,6.19,5.73,6.4,7.86,8.73,7.22,9.88,9.34,9.07,9.25,8.98,8.97,8.18,12.2,11.7,12.76,13.3,17.3,18.88,16.11,11.51,9.94,6.74, 非主营比重(%),6.42,10.01,12.85,13.36,12.55,17.55,4.26,4.68,4.7,6.9,9.94,2.64,2.57,5.19,0.91,-0.89,0.84,-1.65,40.91,7.61,7.1,4.89,31.37,42.59,18.36,39.38,81.87,59.54, 主营利润比重(%),131.22,131.04,123.37,124.21,116.61,121.43,127.93,127.09,131.44,125.76,124.91,181.15,141.38,142.6,150.92,153.46,167.52,170.37,167.6,234.31,232.34,220.4,187.98,159.96,184.55,117.63,79.39,91.43,