报告日期,2021-12-31,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31, 应收账款周转率(次),78.26,75,81.85,71.27,64,64.88,58.22,60.2,61.57,70.05,53.38,47.31,60.7,63.44,54.06,63.62,36.89,44.77,56.79,37.05,16.51,14.77,17.59,19.95,42.11,135.49,304.51,45.64,18.13, 应收账款周转天数(天),4.6,4.8,4.4,5.05,5.63,5.55,6.18,5.98,5.85,5.14,6.74,7.61,5.93,5.67,6.66,5.66,9.76,8.04,6.34,9.72,21.8,24.37,20.47,18.05,8.55,2.66,1.18,7.89,19.86, 存货周转率(次),8.57,7.24,8.42,7.68,8.23,10.5,10.05,8.74,6.95,7.57,6.25,4.94,5.59,8.31,7.11,8.38,4.99,4.16,3.12,3.68,3.39,4.2,5.31,6.17,7.27,7.82,25.07,23.66,11.14, 固定资产周转率(次),6.95,5.16,4.95,4.85,5.24,5.52,5.63,6.21,6.48,7.67,6.98,5.23,3.55,5.18,6.16,6.26,2.74,2.91,3.07,2.19,1.85,2.21,2.38,3.03,7.03,6.98,--,--,0.48, 总资产周转率(次),2.54,1.99,1.96,1.79,1.78,1.95,1.91,2.05,1.91,2.14,2.2,1.83,1.43,1.91,2.05,2.41,1.32,1.11,0.8,0.74,0.66,0.91,1.14,1.29,2.6,2.91,6.29,0.48,0.48, 存货周转天数(天),42.02,49.71,42.73,46.85,43.75,34.3,35.83,41.19,51.76,47.58,57.59,72.81,64.42,43.3,50.6,42.96,72.08,86.45,115.49,97.93,106.09,85.77,67.77,58.33,49.51,46.06,14.36,15.22,32.31, 总资产周转天数(天),141.52,181.3,183.88,201.68,201.75,184.33,188.7,175.65,188.22,168.12,163.96,196.66,252.58,188.13,175.36,149.65,272.38,324.62,450.9,484.98,547.53,397.13,315.13,278.68,138.61,123.74,57.23,754.56,749.53, 流动资产周转率(次),4.6,3.85,3.92,3.49,3.46,3.85,3.62,3.77,3.46,3.84,3.82,3.26,2.97,3.92,3.78,4.75,3.24,2.68,2.06,2.15,1.63,2.05,3.17,3.79,4.89,5.87,13.78,0.78,86.12, 流动资产周转天数(天),78.31,93.44,91.77,103.21,104,93.48,99.44,95.47,103.9,93.84,94.28,110.3,121.01,91.89,95.15,75.71,111.05,134.4,175.15,167.68,220.9,175.8,113.58,94.99,73.63,61.35,26.12,462.49,4.18, 经营现金净流量对销售收入比率(%),0.03,0.02,0.04,0.07,-0.01,0.06,0.06,0.03,0.01,-0.01,0.06,-0.11,0.02,0.08,0,0.08,0.1,0.06,-0.02,0.23,0.15,0.06,-0.12,0.07,--,--,--,--,--, 资产的经营现金流量回报率(%),0.07,0.04,0.08,0.12,-0.02,0.11,0.11,0.05,0.02,-0.02,0.13,-0.18,0.03,0.15,0,0.14,0.12,0.06,-0.02,0.16,0.09,0.04,-0.12,0.07,--,--,--,--,--, 经营现金净流量与净利润的比率(%),0.98,2.24,3.9,5.78,-1.04,14.91,--,6.79,1.08,-0.92,2.81,-5.73,0.85,4.46,0.07,1.53,1.8,1.1,-0.49,4.01,2.36,0.8,-1.46,0.73,--,--,--,--,--, 经营现金净流量对负债比率(%),0.12,0.07,0.15,0.21,-0.03,0.18,0.17,0.07,0.02,-0.03,0.21,-0.24,0.04,0.23,0.01,0.21,0.22,0.12,-0.03,0.38,0.26,0.14,-0.34,0.38,--,--,--,--,--, 现金流量比率(%),14.86,8.79,18.56,26.57,-2.9,20.92,21.49,9.07,2.71,-3.16,24.67,-31.18,4.06,29.22,0.82,26.98,32.21,18.16,-4.72,46.94,32.56,19.05,-44.11,38.45,--,--,--,--,--,