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, 应收账款周转率(次),3.07,4.65,7.21,7.35,6.63,4.42,3.12,2.38,2.76,3.78,4.09,3.87,3.49,3.61,3.46,3.73,2.57,2.35,1.95,2.03, 应收账款周转天数(天),117.16,77.46,49.92,48.98,54.3,81.38,115.33,151.12,130.34,95.27,88.1,93.03,103.18,99.73,104,96.56,140,153.49,184.24,176.97, 存货周转率(次),1.07,1.02,0.88,0.82,0.79,0.54,0.51,0.69,1.45,2.89,5.13,12.85,17.39,21.28,23.77,39.21,25.75,32.76,88.61,214.43, 固定资产周转率(次),16.34,27.76,24.49,19.6,19.26,7.24,3.7,3.39,4.06,5.26,5.35,4.83,4.22,3.84,5.26,17.62,18.1,12.98,11.03,1.09, 总资产周转率(次),0.32,0.38,0.46,0.53,0.52,0.36,0.31,0.34,0.48,0.68,0.8,0.83,0.76,0.97,1.25,1.21,0.97,1.3,1.1,1.09, 存货周转天数(天),335.57,351.73,411.33,438.65,452.89,669.89,709.78,520.91,248.58,124.49,70.12,28.01,20.7,16.92,15.14,9.18,13.98,10.99,4.06,1.68, 总资产周转天数(天),1139.6,944.14,778.38,684.54,691.91,1000.83,1169.59,1061.63,745.19,525.93,452.49,435.1,475.75,370.18,288.09,296.35,369.53,275.9,326.15,330.94, 流动资产周转率(次),0.44,0.51,0.59,0.65,0.64,0.44,0.39,0.46,0.7,1.07,1.45,1.86,1.83,2.07,2.03,1.77,1.2,1.49,1.26,121.31, 流动资产周转天数(天),811.54,712.59,607.39,552.49,564.53,813.74,923.31,789.99,511.44,336.2,248.19,193.79,196.32,174.22,177.24,203.28,300.7,240.9,286.74,2.97, 经营现金净流量对销售收入比率(%),0.04,0.05,0.07,-0.03,0,-0.02,-0.23,-0.15,-0.26,0.02,-0.08,0.08,0.14,0.09,-0,0.07,0.06,0.02,0,0, 资产的经营现金流量回报率(%),0.01,0.02,0.03,-0.02,0,-0.01,-0.07,-0.05,-0.12,0.01,-0.05,0.07,0.1,0.07,-0,0.08,0.04,0.02,0,0, 经营现金净流量与净利润的比率(%),--,1.2,3.37,--,0.63,-0.24,-16.67,-8.45,-18.85,1.04,-4.88,2.47,3.09,2.06,-0.04,1.61,1.24,0.35,0,0, 经营现金净流量对负债比率(%),0.02,0.03,0.06,-0.03,0,-0.01,-0.09,-0.06,-0.18,0.02,-0.09,0.1,0.14,0.1,-0,0.16,0.09,0.04,0,0, 现金流量比率(%),3.67,4.73,8.34,-2.65,0.17,-0.87,-10.75,-6.79,-21.79,2.82,-11.65,14.76,24.07,19.54,-0.49,15.97,8.85,3.92,0,0,