报告日期,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31, 总资产利润率(%),6.03,4.35,4.03,7.22,8.42,4.37,3.33,4.44,2.2, 主营业务利润率(%),27.46,30.47,29.13,31,30.65,30.94,31.46,34.25,36.61, 总资产净利润率(%),7.46,4.38,5.01,8.33,9.25,4.39,3.76,4.9,2.2, 成本费用利润率(%),16.13,8.97,11.07,14.57,16.67,9.9,8.66,12.62,6.81, 营业利润率(%),13.86,7.81,8.46,12.96,11.68,6.74,3.39,4.93,-3.08, 主营业务成本率(%),71.9,68.94,70.4,68.35,68.16,68.26,68.18,65.1,63.26, 销售净利率(%),12.27,7.73,8.97,11.56,12.31,7.99,7.15,10.05,5.8, 净资产收益率(%),13.66,9.4,9.59,11.33,18.96,10.16,9.06,9.68,5.65, 股本报酬率(%),196.8,142.53,124.11,111.9,129.83,--,--,--,--, 净资产报酬率(%),40.51,45.17,44.08,43.1,73.58,68.77,61.8,9.11,5.36, 资产报酬率(%),18.62,21.27,18.8,27.8,32.93,30.36,25.36,4.44,2.2, 销售毛利率(%),--,--,--,--,31.84,31.74,31.82,34.9,36.74, 三项费用比重(%),14.6,18.32,13.95,19.93,17.69,24,27.04,28.12,36.42, 非主营比重(%),1.6,5.71,5.4,-2.23,18.94,34.8,59.41,58.41,145.27, 主营利润比重(%),195.33,386.85,310.3,239.28,211.2,335.97,379.95,289,538.78,