报告日期,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 总资产利润率(%),3.56,1.5,12.19,11.76,8.36,3.72,15.53,12.23,12.75,--,27.3,--,--,15.99,10.75,11.34, 主营业务利润率(%),32.4,32.53,38.8,39.63,38.61,39.16,43.87,44.74,46.06,46.14,48.32,48.23,45.66,41.24,30.78,26.03, 总资产净利润率(%),3.54,1.53,15.3,13.58,8.8,3.77,20.41,15.64,13.7,--,32.6,--,--,19.58,13.14,11.34, 成本费用利润率(%),26.41,22.58,47.75,51.7,45.96,42.28,53.27,53.79,58.73,58.37,71.26,70.04,65.83,38.29,27.03,20.52, 营业利润率(%),20.23,17.48,31.23,32.9,31.58,29.92,34.91,34.25,36.66,36.76,40.55,40.08,38.33,27.56,20.87,15.24, 主营业务成本率(%),67.14,67.09,60.35,59.45,60.35,60.23,55.57,54.7,53.17,52.88,50.57,50.69,53.22,58.3,68.66,73.23, 销售净利率(%),16.85,15.05,26.81,27.89,26.96,25.46,30.06,30.03,31.51,31.33,35.78,35.26,34.34,22.95,18.23,14.88, 净资产收益率(%),5.93,2.55,20.32,17.12,10.67,4.53,19.34,14.86,18.14,--,39.44,--,--,25.36,16.95,13.84, 股本报酬率(%),71.28,9.45,114.55,57.4,67.4,13.64,83.32,40.32,30.76,--,--,--,--,--,--,--, 净资产报酬率(%),19.99,2.55,31.75,17.12,21.7,4.53,29.06,14.86,18.14,--,54.46,--,--,42.66,38.21,13.84, 资产报酬率(%),12,1.5,19.04,11.76,17,3.72,23.33,12.23,12.75,--,37.7,--,--,26.9,24.24,11.34, 销售毛利率(%),32.86,32.91,39.65,40.55,39.65,39.77,44.43,45.3,46.83,47.12,49.43,49.31,--,41.7,31.34,26.77, 三项费用比重(%),8.74,9.73,4.09,3.15,7.32,9.87,9.98,10.09,9.04,9.12,7.25,7.47,6.95,13.88,9.5,10.84, 非主营比重(%),2.75,1.92,0.86,0.9,1.78,2.55,1.97,2.57,0.88,0.01,3.44,3.38,5,1.15,1.97,12.46, 主营利润比重(%),160.7,186.63,124.43,120.68,122.27,131,124.55,127.27,124.53,125.5,115.05,116.26,113.14,148.28,144.62,149.58,