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),2.98,2.97,3.19,4,3.52,3.71,3.77,3.91,4.59,4.43,4.65,4.91,4.74,3.82, 应收账款周转天数(天),120.86,121.22,112.72,89.98,102.22,96.98,95.42,92.07,78.5,81.18,77.47,73.3,76.02,94.25, 存货周转率(次),4.51,4.7,4.52,4.87,4.15,4.23,4.46,4.71,6.1,6.37,6.32,7.55,9.4,6.87, 固定资产周转率(次),2.53,2.88,2.99,3.23,2.22,2.47,2.92,4.88,21.1,17.12,12.16,18.05,--,1.48, 总资产周转率(次),0.5,0.53,0.56,0.62,0.47,0.49,0.49,0.51,0.56,0.45,0.53,1.37,--,1.48, 存货周转天数(天),79.85,76.65,79.62,73.87,86.81,85.18,80.64,76.51,59.04,56.55,56.93,47.69,38.28,52.43, 总资产周转天数(天),724.64,674.28,644.01,578.5,759.65,732.45,736.2,700.8,638.98,794.18,682.72,262.74,--,242.54, 流动资产周转率(次),1.05,1.07,1.1,1.24,0.88,0.75,0.69,0.66,0.66,0.48,0.57,1.78,2.3,192.42, 流动资产周转天数(天),343.28,335.7,327.3,289.27,407.42,482.12,525.47,541.52,548.11,744.88,629.48,201.78,156.26,1.87, 经营现金净流量对销售收入比率(%),0.24,0.16,0.1,0.12,0.11,0.18,0.17,0.21,0.07,-0,0.09,0.08,0.13,0.11, 资产的经营现金流量回报率(%),0.11,0.08,0.05,0.07,0.04,0.08,0.08,0.1,0.03,-0,0.03,0.09,0.2,0.17, 经营现金净流量与净利润的比率(%),1.7,1.07,0.62,0.72,0.78,0.98,0.95,1.07,0.34,-0.01,0.47,0.57,0.96,0.78, 经营现金净流量对负债比率(%),0.35,0.23,0.14,0.32,0.32,0.47,0.61,0.76,0.31,-0.01,0.36,0.3,0.6,0.46, 现金流量比率(%),45.51,27.13,15.23,38.46,37.17,50.44,65.69,78.38,31.04,-0.76,37.7,30.33,63.99,49.75,