报告日期,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),11.1,10.2,8.85,12.2,19.88,27.39,38.84,21.56,15.84,18.49,20.78,15.08,7.09,3.25,2.54,1.36,3.04,2.07,5.76,6.26,10.19,5.31,4.61,4.23,3.95,4.16,5.46, 应收账款周转天数(天),32.44,35.28,40.68,29.51,18.11,13.15,9.27,16.7,22.73,19.47,17.32,23.87,50.81,110.65,141.84,265.33,118.56,173.6,62.55,57.51,35.34,67.82,78.09,85.19,91.05,86.54,65.92, 存货周转率(次),10.61,11.85,10.46,16.48,4.18,6.02,9.5,8.48,8.13,8.15,6.57,5.02,5.07,3.08,2.45,1.81,3.19,2.39,4.1,1.66,1.43,1.03,1.02,0.82,1.06,1.28,1.67, 固定资产周转率(次),506.31,433.74,308.3,294.89,7.32,8.16,7.53,7.05,8.88,8.02,6.07,4.32,4.82,3.27,2.38,1.43,3.55,2.52,4.71,2.07,3.57,2.93,3.08,2.44,2.55,2.99,0.56, 总资产周转率(次),3.13,3.26,3.01,4.64,1.01,1.21,1.86,2.28,2.19,2.37,2.02,1.09,0.77,0.52,0.48,0.29,0.65,0.45,0.88,0.36,0.59,0.43,0.39,0.33,0.38,0.44,0.56, 存货周转天数(天),33.93,30.39,34.42,21.85,86.14,59.76,37.91,42.47,44.27,44.18,54.81,71.77,71.06,116.94,146.97,198.98,112.86,150.38,87.82,217.4,252.12,347.86,351.67,437.32,340.33,280.77,215.48, 总资产周转天数(天),114.89,110.51,119.52,77.65,357.46,296.98,193.07,157.91,164.57,152.03,177.8,329.91,469.54,694.71,750,1228.67,555.56,794.7,407.29,1003.62,605.45,843.09,927.84,1081.41,957.19,819.49,637.62, 流动资产周转率(次),3.98,4.16,3.59,5.08,1.52,1.91,2.79,3.54,2.93,3.18,2.87,1.55,1.01,0.66,0.65,0.43,1.03,0.74,1.43,0.56,0.87,0.6,0.56,0.51,0.57,0.64,81.2, 流动资产周转天数(天),90.53,86.57,100.32,70.84,237.44,188.46,129.14,101.77,122.8,113.05,125.57,232.2,356.86,548.86,557.79,840.53,350.74,485.18,252.15,639.2,414.13,604.23,648.53,706.71,633.25,565.68,4.43, 经营现金净流量对销售收入比率(%),0.02,0,-0,0.01,-0.03,-0.06,0.01,-0.02,0.02,0.1,0,0.01,0.05,0.01,0.11,0.07,-0.07,0.06,-0.05,0.39,0.15,0.11,--,--,--,--,--, 资产的经营现金流量回报率(%),0.05,0.01,-0.01,0.02,-0.03,-0.06,0.02,-0.04,0.04,0.21,0,0.01,0.06,0.01,0.06,0.03,-0.05,0.03,-0.04,0.12,0.1,0.06,--,--,--,--,--, 经营现金净流量与净利润的比率(%),2.14,0.7,-0.4,0.86,-0.63,-0.46,0.43,-1.99,0.54,0.08,0,--,--,--,--,--,-17.11,--,-1.34,0.59,2.65,--,--,--,--,--,--, 经营现金净流量对负债比率(%),0.06,0.02,-0.01,0.02,-0.05,-0.1,0.03,-0.08,0.07,0.33,0,0,0.02,0,0.04,0.02,-0.06,0.04,-0.06,0.17,0.11,0.06,--,--,--,--,--, 现金流量比率(%),6.66,1.77,-1.49,2.71,-5.18,-9.58,2.73,-8.51,7.46,33.78,0.04,0.28,2.25,0.4,4.37,2.29,-6,3.86,-7.03,28.66,11.56,5.93,--,--,--,--,--,