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, 应收账款周转率(次),11.62,13.67,14.46,16.01,12.83,12.9,15.03,16.34,11.92,16.17,36.08,32.26, 应收账款周转天数(天),30.97,26.34,24.9,22.49,28.06,27.9,23.95,22.04,30.21,22.26,9.98,11.16, 存货周转率(次),0.9,1.23,1.26,1.05,0.83,0.79,0.74,0.85,1.1,1.48,1.62,1.59, 固定资产周转率(次),4.42,4.64,3.53,3.02,3.11,5.07,7.85,8.01,9.15,12.73,19.19,1.2, 总资产周转率(次),0.52,0.63,0.6,0.56,0.46,0.47,0.43,0.37,0.44,1.02,1.22,1.2, 存货周转天数(天),400.71,292.97,286.81,344.04,432.59,457.61,486.36,425.03,327.57,243.85,221.96,225.86, 总资产周转天数(天),690.85,573.34,603.42,638.86,787.06,774.19,836.43,971.92,812.09,354.23,295.35,298.95, 流动资产周转率(次),0.69,0.85,0.85,0.82,0.64,0.6,0.52,0.43,0.5,1.2,1.47,147.71, 流动资产周转天数(天),524.25,423.78,425.53,437.74,565.68,596.62,689.52,844.87,725.22,300.18,245.53,2.44, 经营现金净流量对销售收入比率(%),0.16,0.14,0.24,0.16,0.21,0.02,0.12,-0.27,-0.14,0.06,0.25,0.33, 资产的经营现金流量回报率(%),0.08,0.09,0.13,0.09,0.09,0.01,0.05,-0.09,-0.04,0.05,0.24,0.39, 经营现金净流量与净利润的比率(%),1.57,1.4,3.46,2.31,4.02,0.42,1.42,-2.86,-0.7,0.3,1.25,2.01, 经营现金净流量对负债比率(%),0.17,0.22,0.33,0.31,0.3,0.04,0.16,-0.31,-0.44,0.1,0.43,0.7, 现金流量比率(%),17.9,23.52,38.38,33.26,31.56,3.91,16.5,-31.66,-44.28,9.69,42.93,69.76,