报告日期,2020-12-31,2020-09-30,2020-06-30,2019-12-31,2019-09-30,2019-06-30,2018-12-31,2017-12-31,2016-12-31, 总资产利润率(%),14.39,10.57,11.5,17.69,--,12.58,31.62,34.36,31.44, 主营业务利润率(%),82.31,82.94,81.93,78.45,80.79,81.46,83.88,83.95,78.48, 总资产净利润率(%),19.98,14.55,12.35,18.66,--,12.59,35.98,42.03,31.44, 成本费用利润率(%),189.81,193.68,189.76,128.74,146.55,170.97,163.91,176.3,135.4, 营业利润率(%),62.18,61.67,60.24,54.98,57.51,62.06,61.46,59.5,53.78, 主营业务成本率(%),17.22,16.64,17.71,20.91,18.64,18.01,15.58,15.53,21, 销售净利率(%),53.11,52.91,51.5,47.81,49.09,54,52.89,50.62,47.69, 净资产收益率(%),16.53,12.39,14.05,21.68,--,15.01,44.39,47.59,45.1, 股本报酬率(%),134.43,68.76,95.32,107.33,53.03,83.31,--,--,--, 净资产报酬率(%),23.08,12.39,26.36,34.53,--,29.08,58.93,61.7,62.91, 资产报酬率(%),20.09,10.57,21.58,28.17,--,24.38,41.99,44.56,43.89, 销售毛利率(%),--,--,--,--,--,--,84.42,84.47,79, 三项费用比重(%),14.78,14.65,13.44,21.05,20.04,17.77,21.37,17.68,19.3, 非主营比重(%),-0.13,-0.26,-0.67,4.33,5.69,7,5.68,1.66,3.37, 主营利润比重(%),133.56,135.07,137.02,143.07,140.46,131.26,136.51,141.16,141.98,