报告日期,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2012-12-31,2011-12-31, 总资产利润率(%),16.77,13.51,7.73,2.82,9.2,6.36,3.94,1.8,6.33,4.53,2.24,0.78,8.65,7.37,5.74,2.96,12.13,8.34,7.86,4.77,14.11,9.63,5.97,3.89,14.7,--,7.25,--,9.61,9.21,8.72, 主营业务利润率(%),43.71,43.52,39.31,33.29,28.26,26.71,25.57,26.28,26.21,25.44,22.7,24.36,38.55,39.79,40.99,41.5,43.2,43.77,42.47,43.72,33.71,33.6,33.15,32.85,30.34,31.17,30.7,27.92,25,23.15,21.35, 总资产净利润率(%),19.54,14.24,7.88,2.78,10.08,6.93,4.15,1.83,6.51,4.64,2.27,0.77,8.67,7.35,5.68,2.95,15.21,10.12,8.15,4.9,17.58,12.2,7.5,4.1,15.66,--,7.66,--,10.14,9.41,8.72, 成本费用利润率(%),68.55,62.46,54.44,39.98,27.62,26.14,24.72,22.55,21.95,24.43,19.22,18.22,39.98,42.9,49.82,52.02,56.49,50.01,46.79,50.47,40.24,39.03,35.87,35.65,30.82,34.39,32.74,26.43,19.97,18.61,17.7, 营业利润率(%),41.15,37.38,34.43,27.08,20.79,19.76,19.11,17.52,16.93,18.74,16.03,15.5,29.24,30.44,33.77,34.95,36.04,32.72,31.84,32.74,27.68,27.81,26.12,25.58,23.38,25.46,24.45,21.13,16.11,15.05,12.98, 主营业务成本率(%),55.32,55.46,59.67,65.83,70.92,72.42,73.46,72.61,72.73,73.43,76.08,73.73,59.85,58.65,57.41,56.54,55.65,55.62,56.94,55.66,65.76,65.86,66.35,66.52,68.94,68.04,68.56,71.31,74.45,76.4,78.41, 销售净利率(%),35.37,31.91,29.5,23.67,18.26,16.94,16.39,15.28,14.73,16.01,13.84,13.32,25.2,25.96,28.95,29.67,32.99,31.93,33.26,43.68,21.97,21.05,19.58,19.2,20.11,21.87,21.15,17.72,14.17,13.4,13.08, 净资产收益率(%),17.94,15.08,8.65,3.14,10.61,7.55,4.5,1.93,6.7,4.85,2.41,0.82,9.27,7.95,6.2,3.25,13.87,9.23,9.1,5.45,16.14,12.06,7.67,6.03,21.74,--,11.84,--,15.93,16.27,17.63, 股本报酬率(%),292.56,141.14,164.25,25.76,162.35,58.75,99.22,14.34,107.33,34.71,67.41,5.6,105.14,53.33,75.56,42.67,236.06,111.32,142.51,92.18,376.09,184.03,218.6,189.99,326.16,163.69,207.19,--,--,--,--, 净资产报酬率(%),26.31,15.08,18.89,3.14,19.98,7.55,13.16,1.93,14.71,4.85,9.66,0.82,15.44,7.95,11.47,3.25,18.56,9.23,16.74,5.45,23.51,12.06,15.04,19.09,34.88,--,24.96,--,29.11,16.27,17.63, 资产报酬率(%),24.59,13.51,16.88,2.82,17.32,6.36,11.52,1.8,13.9,4.53,8.97,0.78,14.41,7.37,10.62,2.96,16.24,8.34,14.46,4.77,20.54,9.63,11.7,12.32,23.58,--,15.28,--,17.56,9.21,8.72, 销售毛利率(%),--,--,--,--,--,--,26.54,27.39,27.27,26.57,23.92,26.27,40.15,41.35,42.59,43.46,--,44.38,43.06,40.81,34.24,34.14,33.65,33.48,31.06,31.96,31.44,28.69,25.55,23.6,21.59, 三项费用比重(%),3.98,3.74,3.27,2.94,3.89,3.04,3.74,6.11,3.76,2.9,7.81,10.86,12.12,11.05,9.35,8.6,5.53,7.78,7.64,9.41,5.43,4.92,5.91,4.67,6.25,5.25,5.5,6.79,7.42,7.61,7.24, 非主营比重(%),1.55,0.49,1.18,2.73,0.71,1.51,2.35,3.23,5.42,7.63,14.52,13.98,7.04,5.5,5.01,3.23,-1.8,-2.21,-4.43,1.25,4.09,0.08,-0.06,0.07,0.14,0.14,0.16,-1.36,2.25,4.35,14.76, 主营利润比重(%),105.78,115.7,112.89,119.58,135.31,133.88,132.37,145.99,153.96,134.46,138.79,154.58,131.06,130.14,120.36,118.88,122.7,136.72,139.29,131.87,116.8,120.7,127.02,128.32,129.64,122.33,125.4,133.94,151.88,147.29,140.43,