报告日期,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31,1992-12-31,1991-12-31,1990-12-31, 应收账款周转率(次),47.82,75.78,69.79,84.72,99.25,118.48,96.74,95.23,95.77,63.44,52.18,40.6,46.3,32.11,23.61,20.04,17.6,19.1,21.67,22.25,23.55,26.33,29.01,56.27,106.34,54,--,34.87,51.56, 应收账款周转天数(天),7.53,4.75,5.16,4.25,3.63,3.04,3.72,3.78,3.76,5.67,6.9,8.87,7.78,11.21,15.25,17.96,20.45,18.85,16.62,16.18,15.29,13.67,12.41,6.4,3.39,6.67,--,10.32,6.98, 存货周转率(次),1.48,4.54,3.53,4.35,4.48,5.13,4.43,3.93,4.88,4.18,4.48,3.89,3.41,2.54,2.44,2.26,2.06,2.94,4.55,5.56,6.95,7.61,5.87,5.12,0,7.27,--,7.08,5.87, 固定资产周转率(次),17.15,10,6.57,8.21,19.27,22.98,21.63,17.41,11.91,7.64,7.11,5.05,3.9,3.23,2.91,2.32,2.26,2.8,3.63,4.61,4.82,4.43,3.94,3.46,5.01,85.86,--,251.62,4.82, 总资产周转率(次),0.62,0.72,0.78,1.13,1.39,1.81,1.73,1.47,1.28,1.02,1.08,0.95,1.03,0.99,0.93,0.81,0.78,0.92,1.09,1.18,1.23,1.23,1.11,1.01,0.9,1,--,4.5,4.82, 存货周转天数(天),243.06,79.25,102.08,82.84,80.35,70.19,81.24,91.57,73.78,86.12,80.28,92.57,105.61,141.76,147.28,159.24,174.48,122.29,79.19,64.73,51.78,47.32,61.32,70.32,--,49.52,--,50.85,61.34, 总资产周转天数(天),582.81,497.51,464.1,317.8,258.71,198.61,207.62,244.27,282.2,351.63,332.01,380.63,349.48,365.45,388.89,445.49,460.83,392.71,331.37,303.9,292.66,293.33,325.53,355.59,401.02,359.75,--,79.92,74.62, 流动资产周转率(次),1.04,2.41,2.16,2.54,2.56,3.08,2.96,2.45,2.41,2.04,2.03,1.85,2.11,1.95,1.86,1.62,1.47,1.77,2.31,2.59,2.76,2.93,2.8,2.55,2.28,2.2,--,5.51,511.15, 流动资产周转天数(天),347.29,149.12,166.3,141.61,140.83,116.99,121.56,146.82,149.63,176.38,177.09,194.89,170.93,185.09,193.31,221.78,244.68,203.62,155.9,139.02,130.29,122.67,128.53,141.22,158.01,163.68,--,65.33,0.7, 经营现金净流量对销售收入比率(%),0.22,0.07,0.03,-0.02,0.02,0.03,0.08,-0.07,0.05,0.07,0.09,0,0.02,0.09,0.06,0.03,0.19,0.08,0.04,0.03,-0.02,--,--,--,--,--,--,--,--, 资产的经营现金流量回报率(%),0.09,0.05,0.02,-0.02,0.03,0.05,0.15,-0.09,0.05,0.07,0.09,0,0.02,0.09,0.05,0.03,0.16,0.07,0.04,0.03,-0.02,--,--,--,--,--,--,--,--, 经营现金净流量与净利润的比率(%),2.21,1.69,0.89,-0.38,0.34,0.63,1.66,-1.2,0.78,1.15,1.92,0,0.38,2.76,2.46,1.51,4.93,2.44,1.2,0.91,-0.38,--,--,--,--,--,--,--,--, 经营现金净流量对负债比率(%),0.14,0.09,0.03,-0.04,0.06,0.1,0.35,-0.16,0.1,0.13,0.17,0,0.04,0.17,0.1,0.05,0.38,0.14,0.08,0.05,-0.04,--,--,--,--,--,--,--,--, 现金流量比率(%),20.99,15.88,5.58,-4.64,8.84,14.47,62.73,-23.82,16.17,19.66,21.51,0.05,4.75,18.07,11.91,5.91,41.69,15.32,7.98,6.04,-4.03,--,--,--,--,--,--,--,--,