报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2015-12-31,2014-12-31,2013-12-31, 总资产利润率(%),0.86,-17.9,-10.49,-3.69,-2.07,1.09,1.29,1.19,0.46,3.63,3.04,2.43,1.81,5.94,5.28,3.7,--,8.19,--,3.83,8.25,9.81,4.3, 主营业务利润率(%),15.63,2.89,4.42,5.16,4.08,8.86,9.33,12.67,13.1,16.47,16.92,18.63,22.58,21.34,20.3,19.57,19.36,20.95,20.91,21.22,20.69,24.71,23.82, 总资产净利润率(%),0.88,-18.71,-11.06,-3.84,-2.13,1.25,1.42,1.29,0.49,4.2,3.35,2.59,1.9,6.96,5.25,3.73,--,9.25,--,4.28,9.58,10.87,4.3, 成本费用利润率(%),3.67,-19.45,-11.82,-6.18,-6.97,1.08,1.65,2.93,2.21,6.07,6.52,8.14,12.1,10.38,9.41,9.95,11.05,12.32,11.02,11.71,11.72,15.84,7.86, 营业利润率(%),3.27,-21.39,-12.6,-6.34,-7.15,1.05,1.58,2.77,2.09,5.57,5.9,7.49,10.78,9.36,8.57,9.1,10.05,10.35,9.56,10.09,10.04,13.52,7.2, 主营业务成本率(%),84.02,96.73,95.29,94.57,95.66,90.84,90.41,86.99,86.59,82.93,82.45,80.77,77.02,77.91,78.85,79.62,79.27,78.28,78.28,77.93,78.78,75.04,75.9, 销售净利率(%),3.57,-19.39,-12.61,-6.44,-7.18,0.8,1.28,2.3,1.97,4.72,5.08,5.75,8.58,8.12,7.43,7.89,8.88,9.48,8.11,8.52,8.89,10.53,4.37, 净资产收益率(%),2.41,-61.95,-28.56,-7.98,-4.2,3.08,3.4,2.8,1.02,6.7,5.08,3.78,2.57,7.81,7.83,5.78,--,13.31,--,6.53,13.41,17.74,7.62, 股本报酬率(%),11.76,-37.21,-139.41,117.39,-26.06,148.62,13.93,122.69,4.53,122.97,24.14,94.11,19.42,153.21,47.65,143.84,18.44,167.42,--,--,--,--,--, 净资产报酬率(%),3.05,-10.04,-29.77,21.6,-4.61,25.63,2.41,21.56,0.82,23.27,4.7,18.6,2.55,20.69,7.81,24.09,--,29.75,--,6.54,13.41,17.74,7.62, 资产报酬率(%),0.86,-2.85,-10.49,9.07,-2.07,12.48,1.29,11.63,0.46,13.87,3.04,12.71,1.81,15.77,5.28,15.45,--,18.33,--,3.83,8.25,9.81,4.3, 销售毛利率(%),--,--,--,--,--,--,--,13.01,13.41,--,17.55,19.23,22.98,--,21.15,20.38,20.73,21.72,21.72,22.07,21.22,24.96,24.1, 三项费用比重(%),10.27,12.52,10.03,8.69,7.73,5.21,4.98,6.47,7.59,7.28,7.35,10.55,11.66,11.91,11.99,10.98,10.23,10.09,10.3,9.66,9.85,10.63,16.01, 非主营比重(%),3.58,3.44,0.36,3.24,3.01,-4.35,-3,0.16,5.48,4.34,3.78,4.47,3.17,0.7,0.68,-0.03,-0.05,5.77,2.93,2.56,3.92,2.1,0.61, 主营利润比重(%),449.97,-13.55,-35.44,-80.67,-56.57,848.58,592.25,460.47,626.72,298.64,287.01,248.94,209.59,227,235.32,215.25,192.85,190.72,212.24,204.92,197.92,181.51,328.62,