报告日期,2022-03-31,2021-12-31,2021-09-30,2021-06-30,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2017-12-31,2016-12-31,2015-12-31, 总资产利润率(%),1.89,7.73,5.41,4.26,2.63,9.94,7.74,4.89,1.56,9.86,7.5,6.92,3.13,14.75,--,6.62,12.91,12.32,8.06, 主营业务利润率(%),28.49,28.72,28.86,30.39,31.09,33.62,34.74,33.59,33.71,33.9,33.25,32.25,32.33,30.9,29.6,28.06,29.33,32.42,27.78, 总资产净利润率(%),1.87,9.24,6.38,4.59,2.67,10.61,7.91,4.77,1.52,11.78,8.71,7.04,3.07,15.86,--,6.74,11.48,12.86,8.06, 成本费用利润率(%),12.89,14.38,14.98,16.3,20.23,19.01,20.49,19.04,16.09,19.76,19.45,20.67,20.01,20.01,18.89,15.67,13.71,20.46,12.74, 营业利润率(%),10.74,12.04,12.45,13.33,16.08,15.32,15.99,14.9,12.9,15.31,15.05,16.26,16.41,15.54,14.8,12.59,12.41,16.19,10.55, 主营业务成本率(%),70.96,70.46,70.29,68.74,68.14,65.45,64.25,65.32,64.85,65.22,65.81,66.79,66.5,68.12,69.41,70.92,69.67,66.52,71.35, 销售净利率(%),9.47,10.48,10.57,11.28,13.87,13.29,13.96,13.23,10.84,13.47,13.22,14.49,14.23,13.43,12.6,10.83,10.25,14.43,9.43, 净资产收益率(%),3.16,13.53,9.82,6.58,3.54,13.48,9.97,5.99,1.9,12.96,9.56,9.6,4.27,20.61,--,9.4,18.87,17.98,13.13, 股本报酬率(%),18.73,225.45,52.63,142.82,18.36,171.37,47.95,125.68,8.74,151.54,41.46,--,--,--,--,--,--,--,--, 净资产报酬率(%),3.01,37.32,9.09,27.8,3.54,34.25,9.97,27.29,1.9,33.64,9.56,9.6,35.33,50.32,--,9.4,18.87,17.98,13.13, 资产报酬率(%),1.89,22.4,5.41,17.98,2.63,25.25,7.74,22.28,1.56,25.58,7.5,6.92,25.89,36.02,--,6.62,12.91,12.32,8.06, 销售毛利率(%),--,--,--,--,--,--,--,--,--,--,--,--,33.5,31.88,--,29.08,30.33,33.48,28.65, 三项费用比重(%),13.56,12.44,11.96,12,10.78,14.09,12.46,11.58,13.44,11.31,10.48,10.75,14.08,9.19,8.98,9.76,17.92,15.07,15.05, 非主营比重(%),5.3,6.23,8.44,12.38,15.24,10.26,-0.99,-4.99,-3.24,-4.78,-2.03,6.24,12.42,-5.5,11.72,20.12,2.95,-14.93,4.99, 主营利润比重(%),259.75,238.58,231.92,228.49,192.9,219.83,218.23,226.21,262.75,221.67,221.31,198.81,197.66,197.18,197.43,219.2,241.54,191.72,249.89,