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, 应收账款周转率(次),8.14,6.94,6.14,6.88,7.06,9.1,7.56,7.93,8.79,9.09,9.57,9.05,7.51,6.53,4.53,4.56,5.38,5.7,4.92,6.01,7.94,11.9,19.69,8.87,6.73, 应收账款周转天数(天),44.25,51.85,58.66,52.34,50.99,39.56,47.61,45.38,40.95,39.62,37.63,39.77,47.93,55.1,79.43,78.87,66.97,63.19,73.14,59.92,45.36,30.24,18.29,40.57,53.48, 存货周转率(次),3.1,3.15,3.28,3.38,3.62,6.65,6.3,6.13,5.23,5.52,6.03,6.38,6.07,6.78,5.88,5.39,5.13,5.16,4.01,3.46,3.08,4.82,3.28,2.36,2.42, 固定资产周转率(次),3.46,2.77,2.43,2.51,2.29,3.59,4.14,4.57,3.92,3.99,4.69,4.52,3.44,3.25,3,3.62,3.92,3.73,3.42,2.96,2.34,2.57,2.84,3.11,1.19, 总资产周转率(次),0.83,0.73,0.69,0.71,0.65,1.05,1.11,1.13,1.08,1.12,1.25,1.31,1.17,1.17,1.01,1.07,1.15,1.13,0.88,0.75,0.53,0.65,1.45,1.28,1.19, 存货周转天数(天),116.31,114.37,109.79,106.44,99.54,54.17,57.16,58.77,68.85,65.16,59.68,56.41,59.3,53.09,61.18,66.74,70.17,69.81,89.72,104.1,116.88,74.67,109.86,152.7,148.67, 总资产周转天数(天),432.07,495.53,524.25,503.85,550.8,342.08,324.09,318.13,332.81,321.06,288.74,274.75,308.96,306.91,357,336.79,312.55,319.6,411.19,479.11,675.42,555.3,247.49,282.26,301.68, 流动资产周转率(次),1.66,1.41,1.36,1.34,1.1,1.76,1.84,1.85,1.77,1.81,1.98,2.2,2.08,2.15,1.87,1.87,1.91,1.91,1.53,1.33,0.87,0.97,2.98,2.16,205.3, 流动资产周转天数(天),216.99,254.67,264.2,269.04,328.05,204.71,195.43,194.3,203.36,198.37,181.52,163.99,173.1,167.29,192.67,192.04,188.73,188.92,234.97,269.97,413.27,372.52,120.74,166.31,1.75, 经营现金净流量对销售收入比率(%),0.18,0.18,0.14,0.14,0.17,0.08,0.06,0.08,0.1,0.07,0.07,0.05,0.07,0.03,0.11,0.04,0.04,0.06,0.15,0.18,-0.04,--,--,--,--, 资产的经营现金流量回报率(%),0.14,0.13,0.09,0.09,0.11,0.08,0.06,0.08,0.1,0.07,0.08,0.06,0.09,0.04,0.11,0.03,0.04,0.05,0.12,0.11,-0.02,--,--,--,--, 经营现金净流量与净利润的比率(%),1.48,1.35,1.04,1.05,1.32,0.63,0.63,0.93,0.96,0.74,0.84,0.51,1.69,0.74,--,2.99,0.97,0.87,1.25,1.75,-0.23,--,--,--,--, 经营现金净流量对负债比率(%),0.61,0.75,0.64,0.53,0.77,0.48,0.22,0.3,0.4,0.29,0.3,0.18,0.24,0.07,0.2,0.06,0.07,0.11,0.27,0.28,-0.07,--,--,--,--, 现金流量比率(%),69.03,98.17,75.97,63.51,86.93,53.09,23.54,30.97,42.83,30.32,30.79,18.74,24.33,7.67,20.32,6.53,7.15,12.26,27.77,28.2,-7.31,--,--,--,--,