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),5.13,5.19,4.6,4.56,5.08,5.54,6.19,6.06,5.8,4.81,3.64,3.04,3,2.76,2.68,3.23,4.12,4.45,5.07,4.21, 应收账款周转天数(天),70.14,69.39,78.31,78.94,70.91,64.98,58.12,59.42,62.12,74.89,98.9,118.59,120.1,130.39,134.48,111.33,87.48,80.89,71.02,85.45, 存货周转率(次),3.01,2.95,2.64,2.69,2.71,2.67,3.31,3.56,3,2.32,1.85,1.8,1.96,1.78,1.51,1.76,2.07,2.13,2.64,2.2, 固定资产周转率(次),4.37,4.86,5.1,6.61,9.2,9.35,9.75,9.36,6.28,4.01,3.03,2.52,2.49,1.99,1.88,2.64,3.43,4.05,3.2,0.63, 总资产周转率(次),0.83,0.84,0.79,0.84,0.93,0.96,1.14,1.22,1.06,0.87,0.65,0.57,0.63,0.56,0.46,0.5,0.62,0.78,0.89,0.63, 存货周转天数(天),119.61,122.22,136.42,133.83,132.88,134.93,108.6,101.1,120.16,155.38,194.46,199.68,183.55,202.53,239.01,204.13,174.24,169.19,136.21,163.79, 总资产周转天数(天),434.15,428.98,456.04,426.34,385.6,376.37,316.09,294.29,338.89,416.19,555.81,633.69,568.18,647.13,783.12,725.81,585.18,464.1,406.78,574.8, 流动资产周转率(次),1.51,1.49,1.36,1.39,1.45,1.38,1.56,1.64,1.47,1.26,0.94,0.84,0.98,0.86,0.7,0.7,0.88,1.33,1.64,122.38, 流动资产周转天数(天),238.44,241.64,265.19,259.46,248.52,261.74,230.96,219.71,244.42,285.71,383.67,428.06,367.76,418.65,514.29,512.24,409.88,270.86,219.23,2.94, 经营现金净流量对销售收入比率(%),0.06,0.09,0.02,0.01,0.01,0.01,0,-0.01,0.09,0.12,0.08,-0.07,0.11,-0.02,0.05,-0.04,0.1,0.09,0,0, 资产的经营现金流量回报率(%),0.05,0.08,0.02,0.01,0.01,0,0,-0.01,0.08,0.1,0.05,-0.03,0.07,-0.01,0.02,-0.02,0.05,0.06,0,0, 经营现金净流量与净利润的比率(%),5.34,6.36,1.56,0.3,0.13,0.08,0.06,-0.19,1.92,2.41,1.62,-1.51,2.68,-0.61,--,-0.45,1.2,0.87,0,0, 经营现金净流量对负债比率(%),0.08,0.11,0.03,0.02,0.01,0.01,0.01,-0.02,0.17,0.33,0.14,-0.09,0.12,-0.02,0.04,-0.04,0.11,0.08,0,0, 现金流量比率(%),8.53,12.35,2.7,2.01,1.22,0.85,0.63,-2.13,18.02,35.04,14.62,-10.58,13.47,-2.42,4.91,-4.92,13.82,12.84,0,0,