报告日期,2021-03-31,2020-12-31,2020-09-30,2020-06-30,2020-03-31,2019-12-31,2019-09-30,2019-06-30,2019-03-31,2018-12-31,2018-09-30,2018-06-30,2018-03-31,2017-12-31,2017-09-30,2017-06-30,2017-03-31,2016-12-31,2016-09-30,2016-06-30,2016-03-31,2015-12-31,2015-09-30,2015-06-30,2015-03-31,2014-12-31,2014-09-30,2014-06-30,2014-03-31,2013-12-31,2013-09-30,2013-06-30,2013-03-31,2012-12-31,2012-09-30,2012-06-30,2012-03-31,2011-12-31,2011-09-30,2011-06-30,2011-03-31,2010-12-31,2010-09-30,2010-06-30,2010-03-31,2009-12-31,2009-09-30,2009-06-30,2009-03-31,2008-12-31,2008-09-30,2008-06-30,2008-03-31,2007-12-31,2007-09-30,2007-06-30,2007-03-31,2006-12-31,2006-09-30,2006-06-30,2006-03-31,2005-12-31,2005-09-30,2005-06-30,2005-03-31,2004-12-31,2004-09-30,2004-06-30,2004-03-31,2003-12-31,2003-09-30,2003-06-30,2003-03-31,2002-12-31,2002-09-30,2002-06-30,2002-03-31,2001-12-31,2001-06-30,2000-12-31,2000-06-30,1999-12-31,1999-06-30,1998-12-31,1998-06-30,1997-12-31,1997-06-30,1996-12-31,1996-06-30,1995-12-31,1995-06-30,1994-12-31,1994-06-30,1993-12-31,1993-06-30,1992-12-31, 应收账款周转率(次),0.81,3.12,2.23,1.47,0.74,4.04,2.85,1.96,0.97,3.99,2.86,2.01,0.99,4.1,3,2.14,1.07,5.25,4.18,2.76,1.43,6.59,4.89,3.52,1.92,6.6,4.82,3.22,1.81,7.35,5.2,3.47,1.81,8.49,5.76,3.93,1.92,7.52,5.25,3.66,2.05,7.72,5.78,3.89,2.07,7.48,5.23,3.41,1.88,7.67,5.87,4.01,2.09,6.63,5.34,3.56,1.66,7.78,5.77,3.88,2.15,8.5,6.18,4.35,2.23,8.09,5.77,3.79,2.12,8.18,6.25,4.34,2.01,7.81,5.95,3.74,1.93,5.73,2.94,6.7,4.03,5.96,3.08,4.81,2.37,4.37,4.86,4.32,4.06,7.39,--,6.75,3.3,5.2,2.52,--, 应收账款周转天数(天),111.52,115.41,121.3,122.38,121.56,89.2,94.58,91.62,92.52,90.26,94.49,89.54,90.93,87.75,90,83.99,83.75,68.6,64.57,65.31,62.97,54.65,55.18,51.08,46.82,54.58,56.03,55.92,49.78,48.96,51.96,51.8,49.77,42.41,46.88,45.79,46.97,47.87,51.44,49.22,43.92,46.63,46.73,46.27,43.49,48.16,51.64,52.85,47.96,46.92,45.98,44.84,43.03,54.33,50.57,50.56,54.25,46.26,46.81,46.38,41.95,42.37,43.67,41.37,40.36,44.5,46.76,47.53,42.53,44.02,43.2,41.51,44.78,46.08,45.39,48.12,46.57,62.77,61.28,53.74,44.69,60.44,58.46,74.87,75.98,82.39,37.03,83.38,44.37,48.74,--,53.36,54.51,69.18,71.45,--, 存货周转率(次),1.28,4.34,3.36,2.08,1.02,4.85,3.68,2.56,1.31,4.61,3.92,2.71,1.25,5.12,4.41,2.91,1.43,5.23,3.87,2.67,1.32,4.27,3.25,2.28,1.17,3.59,3.01,2.01,1.11,3.89,3.27,2.08,1.09,4.29,3.74,2.55,1.27,4.33,3.63,2.52,1.28,4.21,3.58,2.43,1.37,4.02,3.34,2.2,1.18,3.73,2.98,2.17,1.2,3.28,2.83,2,0.93,3.55,2.96,1.95,0.98,3.55,2.99,1.93,1.14,3.45,2.81,1.8,0.96,3.31,2.89,1.85,1.05,3.31,2.48,1.58,0.86,2.8,1.77,3.19,1.83,2.7,1.18,2.43,1.27,2.2,0,2.44,0,2.58,0,0,0,3.25,1.7,--, 固定资产周转率(次),--,3.66,--,1.59,--,3.63,--,1.66,--,3,--,1.53,--,3,--,1.49,--,3.2,--,1.58,--,3.44,--,1.99,--,3.82,--,2.16,--,4.76,--,2.58,--,5.93,--,3.12,--,5.56,--,3.12,--,5.09,--,2.7,--,4.32,--,2.23,--,3.8,--,2.04,--,2.74,--,1.42,--,2.79,2.22,1.5,0.8,2.79,2.29,1.49,0.83,2.72,2.28,1.5,0.79,3.06,2.56,1.76,0.88,3.34,2.54,1.78,0.96,3.71,2.45,5.49,3.11,3.73,1.6,2.84,1.41,2.81,1.51,3.09,1.68,3.26,1.74,3.13,1.6,5.08,2.58,--, 总资产周转率(次),0.25,0.89,0.63,0.41,0.2,0.97,0.71,0.48,0.23,0.84,0.63,0.44,0.21,0.84,0.64,0.43,0.21,0.98,0.74,0.51,0.25,1.06,0.79,0.57,0.3,1.01,0.8,0.55,0.31,1.13,0.87,0.58,0.3,1.29,1,0.67,0.33,1.15,0.92,0.63,0.34,1.15,0.9,0.63,0.34,1.08,0.79,0.54,0.29,1.01,0.81,0.57,0.3,0.87,0.7,0.48,0.23,1.02,0.77,0.54,0.29,1.05,0.83,0.56,0.31,1.02,0.77,0.53,0.29,1.11,0.86,0.6,0.3,1.11,0.81,0.55,0.3,1.05,0.62,1.45,0.85,1.12,0.5,0.9,0.45,0.84,0.44,0.89,0.46,0.86,0.41,0.77,0.38,1.27,0.62,--, 存货周转天数(天),70.09,82.91,80.34,86.56,87.92,74.27,73.4,70.38,68.56,78.15,68.87,66.33,71.84,70.32,61.26,61.94,62.8,68.86,69.79,67.39,67.95,84.22,83.09,78.9,76.78,100.26,89.75,89.4,81.22,92.53,82.65,86.48,82.95,83.96,72.19,70.69,70.89,83.16,74.48,71.45,70.57,85.54,75.33,74.14,65.73,89.66,80.94,81.87,76.39,96.41,90.68,83.09,75.24,109.64,95.24,90.19,97.16,101.53,91.12,92.25,91.55,101.46,90.18,93.5,79.29,104.45,96.16,99.76,94.19,108.79,93.31,97.34,85.99,108.73,108.68,113.79,104.51,128.43,101.64,112.82,98.44,133.45,152.57,148,142.26,163.79,--,147.73,--,139.72,--,--,--,110.61,106.07,--, 总资产周转天数(天),356.86,406.27,425.93,435.94,445.77,371.48,379.85,376.96,391.47,426.14,427.49,409,431.86,430.67,419.52,415.8,433.53,367.2,364.72,354.89,356.44,340.65,343.21,314.63,299.2,356.51,335.99,325.5,291.55,319.6,308.92,310.08,296.64,278.49,270.95,267.26,270.43,312.58,292.24,285.13,268.1,312.61,299.77,286.35,268.5,331.95,340.52,334.26,313.26,355.24,333.13,315.62,297.62,412.37,387.54,377.83,397.88,352.94,349.74,330.82,313.37,341.72,324.56,320.91,290.79,353.01,352.76,337.02,314.91,325.56,314.72,299.4,301.1,323.8,333.87,329.19,304.77,342.53,290.37,247.58,211.79,322.15,362.83,401.07,398.76,426.84,411.71,402.86,394.39,419.48,443.35,470.4,479.87,284,289.67,--, 流动资产周转率(次),0.38,1.43,1.03,0.7,0.34,1.63,1.21,0.82,0.41,1.33,0.97,0.68,0.31,1.26,0.97,0.66,0.31,1.54,1.19,0.82,0.42,1.68,1.21,0.88,0.46,1.52,1.21,0.83,0.46,1.65,1.28,0.85,0.44,1.9,1.47,0.99,0.49,1.7,1.36,0.91,0.49,1.72,1.33,0.94,0.5,1.66,1.19,0.81,0.44,1.59,1.29,0.92,0.49,1.46,1.17,0.81,0.39,1.81,1.33,0.95,0.5,1.96,1.53,1.05,0.59,1.92,1.37,0.96,0.51,1.95,1.44,1.02,0.5,1.87,1.32,0.89,0.48,1.71,0.99,2.28,1.3,1.73,0.78,1.4,0.71,1.28,0.65,1.36,0.69,1.31,0.61,1.15,0.55,1.88,0.89,--, 流动资产周转天数(天),234.13,252.19,261.22,257.44,264.01,220.89,223.21,219.51,220.97,270.94,277.72,264.12,287.63,286.56,276.98,273.06,289.39,234.47,226.78,219.89,216.71,214.43,222.9,203.76,194.43,236.53,222.57,217.05,197.24,218.31,210.25,212.01,204.36,189.4,183.36,181.38,185.53,211.28,199.19,197.74,184.16,209.53,202.73,191.39,178.47,216.36,226.45,222.44,206.8,226.83,208.64,195.25,183.49,246.02,231.09,221.38,228.83,199.27,202.95,189,180.43,183.66,176.3,171.2,152.96,187.61,196.46,187.68,175.68,184.82,187.03,176.28,178.75,192.81,205.1,201.84,186.26,210.32,181.2,158.1,138.62,207.73,231.3,256.41,252.84,281.62,277.18,264.03,260.3,274.56,296.64,314.19,326.38,191.79,202.45,--, 经营现金净流量对销售收入比率(%),-0.06,-0.07,-0.01,-0.03,0,-0.02,-0.02,-0.03,-0.07,0.06,0.02,0.02,0.05,0.01,0.01,0.05,0.03,0.2,0.22,0.27,0.3,0.1,0.06,0.01,-0.05,0.07,0.08,0.08,-0.01,0.01,0.03,0.08,0.02,0.03,0.05,0.08,0.13,-0,-0,0.01,-0.01,0.09,0.13,0.15,0.13,0.17,0.2,0.2,0.19,0.06,0.04,0.02,-0.03,0.08,0.1,0.09,-0.02,0.08,0.08,0.08,0.08,0.09,0.05,0.02,0.06,0.02,0.02,0.01,0.01,0.04,0.1,0.09,0.09,0.06,0,0.07,0,0.11,0.16,0.08,0.15,0.1,--,0.08,0.09,--,--,--,--,--,--,--,--,--,--,--, 资产的经营现金流量回报率(%),-0.01,-0.06,-0.01,-0.02,0,-0.02,-0.01,-0.02,-0.02,0.06,0.01,0.01,0.01,0.01,0.01,0.02,0.01,0.18,0.16,0.14,0.08,0.12,0.05,0,-0.01,0.07,0.06,0.04,-0,0.01,0.03,0.04,0.01,0.04,0.04,0.05,0.04,-0,-0,0.01,-0,0.1,0.11,0.09,0.04,0.19,0.16,0.11,0.05,0.06,0.03,0.01,-0.01,0.07,0.07,0.04,-0.01,0.08,0.05,0.04,0.02,0.09,0.04,0.01,0.02,0.02,0.01,0.01,0,0.05,0.08,0.05,0.03,0.06,0,0.04,0,0.1,0.1,0.12,0.13,0.1,--,0.06,0.04,--,--,--,--,--,--,--,--,--,--,--, 经营现金净流量与净利润的比率(%),-1.99,--,--,--,--,-2.34,-2.55,--,--,1.72,0.54,0.24,0.9,0.32,0.34,0.73,1.43,3.29,3.47,4.75,9.5,2.7,1.75,0.13,-1.34,5.75,3.25,2.22,-0.25,1.04,1.67,3.89,0.46,0.95,1.79,3.92,125.44,-0.05,-0.04,0.16,-0.11,1.02,1.48,1.78,1.68,1.98,2.25,2.36,2.48,0.67,0.48,0.27,-0.52,1.1,2.17,1.85,-0.53,1.27,1.19,1.31,1.15,1.41,0.76,0.3,0.97,0.55,0.43,0.18,0.09,0.86,1.74,1.33,1.42,1.23,0,1.35,0,2.07,3.12,2.36,4.82,2.71,--,1.66,1.71,--,--,--,--,--,--,--,--,--,--,--, 经营现金净流量对负债比率(%),-0.02,-0.09,-0.01,-0.03,0,-0.04,-0.02,-0.03,-0.03,0.12,0.03,0.02,0.02,0.02,0.02,0.05,0.01,0.41,0.38,0.3,0.17,0.26,0.09,0.01,-0.03,0.15,0.14,0.1,-0.01,0.02,0.06,0.1,0.02,0.08,0.09,0.11,0.08,-0.01,-0.01,0.02,-0.01,0.22,0.23,0.21,0.1,0.46,0.34,0.23,0.13,0.15,0.08,0.03,-0.02,0.15,0.14,0.09,-0.01,0.17,0.11,0.08,0.04,0.18,0.08,0.02,0.04,0.04,0.03,0.01,0,0.09,0.15,0.11,0.05,0.12,0,0.07,0,0.2,0.14,0.19,0.19,0.15,--,0.09,0.06,--,--,--,--,--,--,--,--,--,--,--, 现金流量比率(%),-2.45,-9.97,-1.13,-3.08,-0,-4.7,-2.6,-3.41,-3.43,13.6,3.08,1.95,2.58,2.64,1.89,5.11,1.28,45.77,42.13,33.69,19.34,29.67,10.06,0.92,-3.6,16.83,15.89,10.49,-0.61,2.03,7.01,11.14,1.72,8.81,9.85,11.66,8.24,-0.66,-0.71,1.87,-0.66,23.61,23.53,21.46,10.67,48.25,35.67,23.63,13.73,15.66,8.63,3.02,-2.19,15.57,15.01,9.32,-1.22,18.34,12.14,8.78,4.45,19.27,9.21,2.41,4.19,5.04,3.43,1.31,0.36,9.98,16.83,11.54,5.25,13.29,0,8.1,0,21.54,16.14,20.81,22.6,16.52,--,10.9,7.61,--,--,--,--,--,--,--,--,--,--,--,