报告日期,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31, 总资产利润率(%),1.81,6.98,4.53,3.14,0.99,9.83,--,4.61,--,10.47,10.81,9.45,7.51, 主营业务利润率(%),47.53,47.5,47.08,46.85,45.01,48.47,48.21,48.16,47.18,50.72,53.67,51.58,54.41, 总资产净利润率(%),1.88,8.03,5.16,3.53,1.12,10.16,--,4.56,--,10.81,10.85,9.61,7.51, 成本费用利润率(%),17.74,13.76,12.67,14.45,10.38,17.31,15.95,16.2,10.49,18.63,19.05,16.42,11.89, 营业利润率(%),14.73,11.55,9.69,10.61,6.13,13.39,12.5,12.49,8.68,14.4,12.12,9.1,6.4, 主营业务成本率(%),51.67,51.62,52.12,52.32,54.02,50.32,50.68,50.66,51.58,48.11,45.31,47.84,44.85, 销售净利率(%),12.74,10.56,9.18,9.64,7.06,11.42,10.21,10.38,6.3,11.57,11.46,10.33,8.19, 净资产收益率(%),2.22,8.08,5.12,3.51,1.11,14.64,--,6.69,--,15.73,15.98,14.52,12.26, 股本报酬率(%),16.18,218.64,36.64,176.13,7.92,268.65,--,--,--,--,--,--,--, 净资产报酬率(%),2.37,32.76,5.65,27.53,1.23,49.36,--,42.69,--,47.52,45.1,42.17,12.79, 资产报酬率(%),1.81,26.39,4.53,22.53,0.99,32.97,--,28.15,--,31.87,30.39,26.66,7.51, 销售毛利率(%),--,--,--,47.68,45.98,49.68,--,49.34,48.42,51.89,54.69,52.16,55.16, 三项费用比重(%),27.8,31.26,30.1,29.31,31.32,27.75,27.94,27.52,29.58,29.41,30.25,30.9,46.13, 非主营比重(%),1.64,5.93,16.98,19.24,34.02,3.48,2.99,4.51,3.3,2.76,17.34,33.99,51.21, 主营利润比重(%),333.87,412.07,447.53,393.26,502.51,353.07,379.14,374.51,545.86,345.94,367.81,396.12,499.08,