报告日期,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),1.83,2.32,2.49,2.9,3.53,4.25,4.32,5.01,3.66,3.23,3.63,4.52,5.32,6.31,5.99,5.33,5.51,5.63,5.65,7.14,10.09,20.47,32.98,47.52,96.25,67.74, 应收账款周转天数(天),196.27,155.39,144.69,124.33,102.09,84.62,83.32,71.8,98.26,111.32,99.09,79.7,67.65,57.03,60.06,67.57,65.31,63.99,63.75,50.44,35.68,17.59,10.92,7.58,3.74,5.31, 存货周转率(次),4.12,4.86,5,4.56,3.39,3.22,2.79,3.84,3.82,3.65,3.81,4.84,5.05,4.56,3.4,2.92,2.62,2.01,1.75,1.76,1.8,1.83,1.5,1.37,1.06,0.79, 固定资产周转率(次),2.13,2.97,3.7,3.7,3.5,3.79,3.98,5.19,4.05,3.64,3.82,4.36,4.54,4.68,4.14,3.5,3.26,3.18,2.81,2.52,2.53,3.18,3.65,3.59,2.97,0.48, 总资产周转率(次),0.35,0.39,0.39,0.45,0.47,0.52,0.51,0.62,0.53,0.51,0.57,0.69,0.74,0.73,0.62,0.54,0.51,0.5,0.47,0.46,0.49,0.63,0.66,0.65,0.56,0.48, 存货周转天数(天),87.47,74.05,71.94,78.88,106.09,111.74,129.07,93.76,94.12,98.51,94.58,74.31,71.24,78.87,105.97,123.12,137.4,179.09,206.2,204.01,200.11,196.51,239.3,262.52,338.66,454.26, 总资产周转天数(天),1024.18,917.67,916.96,799.11,760.14,692.04,708.52,576.37,676.31,700.39,630.69,523.71,488.4,490.66,579.24,661.52,702.17,722.46,760.62,790.17,732,569.53,541.68,551.98,647.25,756.62, 流动资产周转率(次),0.86,0.96,1.04,1.2,1.08,1.14,1.02,1.28,1.18,1.17,1.34,1.62,1.64,1.61,1.31,1.05,0.89,0.85,0.86,0.86,0.97,1.24,1.18,1.09,0.86,67.93, 流动资产周转天数(天),417.78,376.33,345.22,298.78,333.43,314.69,351.39,282.15,304,306.96,268.26,222,219.62,223.38,274.41,344.5,404.04,423.08,417.68,418.95,372.29,289.58,304.83,331.55,419.97,5.3, 经营现金净流量对销售收入比率(%),-0.06,-0.1,-0,-0.03,0.02,0.01,-0.04,0.09,0.12,0.14,0.05,0.01,0.05,0.07,0.02,0.11,0.11,0.05,0.05,0.04,0.06,--,--,--,--,--, 资产的经营现金流量回报率(%),-0.02,-0.04,-0,-0.01,0.01,0,-0.02,0.06,0.06,0.07,0.03,0.01,0.03,0.05,0.01,0.06,0.06,0.02,0.02,0.02,0.03,--,--,--,--,--, 经营现金净流量与净利润的比率(%),-1.07,-1.01,-0.04,-0.39,0.25,0.05,-0.53,1.8,1.57,2.26,0.53,0.16,0.52,0.99,0.28,1.25,1.14,0.49,0.51,0.34,0.57,--,--,--,--,--, 经营现金净流量对负债比率(%),-0.06,-0.1,-0,-0.04,0.03,0.01,-0.07,0.14,0.16,0.21,0.07,0.03,0.11,0.17,0.05,0.17,0.16,0.07,0.06,0.05,0.08,--,--,--,--,--, 现金流量比率(%),-7.4,-11.56,-0.56,-4.16,3.04,0.86,-7.01,15,17.48,23.17,7.88,3.03,13.2,18.82,5.51,19.63,17.96,7.34,6.42,4.82,8.62,--,--,--,--,--,