报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31, 应收账款周转率(次),2.96,2.35,3,2.7,3.53,3.93,4.06,4.12,4.99,5.98,4.79,6.15,7.09,5.33, 应收账款周转天数(天),121.65,152.92,119.92,133.22,102.08,91.53,88.57,87.35,72.11,60.2,75.12,58.58,50.81,67.5, 存货周转率(次),2.91,2.81,2.97,1.65,1.61,1.72,2.23,2.97,3.11,3.09,2.28,2.57,3.13,3.7, 固定资产周转率(次),2.84,3.59,3.98,2.05,1.54,1.07,1.19,1.96,2.75,3.95,--,--,--,1.35, 总资产周转率(次),0.46,0.42,0.41,0.25,0.31,0.39,0.41,0.4,0.48,0.86,1,--,--,1.35, 存货周转天数(天),123.62,128.11,121.08,218.77,223.13,209.86,161.25,121.39,115.91,116.5,158.2,140.08,115.06,97.37, 总资产周转天数(天),777.37,861.24,876.34,1437.13,1145.04,930.47,888.01,904.52,748.91,417.97,358.39,--,--,267.36, 流动资产周转率(次),0.99,0.95,0.96,0.62,0.77,0.76,0.73,0.62,0.72,1.41,1.46,1.34,1.31,181.3, 流动资产周转天数(天),365.3,377.75,373.95,583.47,465.12,472.01,490,582.15,501.53,255.48,247.39,269.48,275.19,1.99, 经营现金净流量对销售收入比率(%),0.14,0.01,-0.07,0.07,-0.06,0.07,0.11,-0.08,0.14,0.25,0.31,-0.13,0.17,0.08, 资产的经营现金流量回报率(%),0.09,0,-0.03,0.02,-0.01,0.03,0.04,-0.03,0.05,0.18,0.28,-0.12,0.14,0.1, 经营现金净流量与净利润的比率(%),--,--,-1.31,0.52,-0.58,1.04,1.71,-1,0.64,1.08,1.47,-0.7,1.11,0.56, 经营现金净流量对负债比率(%),0.41,0.01,-0.14,0.09,-0.05,0.17,0.33,-0.29,1.22,1.24,1.44,-0.56,0.42,0.17, 现金流量比率(%),43.26,1.41,-15.17,8.86,-5.5,17.39,34.7,-29.83,121.57,123.92,143.97,-55.8,42.16,17.49,