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),9.5,8.36,8.2,9.12,15.49,27.17,27.92,28.89,36.09,48.48,34.04,25.76,25.12,22.3, 应收账款周转天数(天),37.88,43.04,43.93,39.48,23.24,13.25,12.89,12.46,9.97,7.43,10.58,13.97,14.33,16.14, 存货周转率(次),1.62,1.9,1.94,1.96,1.92,1.74,1.79,1.92,1.65,1.88,2.17,2.05,2.75,2.4, 固定资产周转率(次),2.79,3.18,3.89,--,4.51,4.48,4.48,5.02,5.72,7.64,8.41,14.51,--,1.3, 总资产周转率(次),0.6,0.68,0.69,0.72,0.73,0.76,0.84,0.94,0.92,0.79,0.9,1.47,--,1.3, 存货周转天数(天),222.47,189.64,185.22,183.42,187.14,207.37,200.72,187.52,217.98,191.65,166.03,175.43,130.71,150.29, 总资产周转天数(天),598.6,529.49,518.81,502.72,491.8,472.63,430.42,381.64,389.36,458.37,401.2,245.67,--,277.2, 流动资产周转率(次),1.02,1.12,1.18,1.21,1.12,1.07,1.19,1.33,1.22,0.94,1.11,2.24,2.42,195.39, 流动资产周转天数(天),352.87,321.23,305.76,296.86,320.6,334.91,303.11,270.49,295.91,382.45,325,160.99,148.5,1.84, 经营现金净流量对销售收入比率(%),0.31,0.12,0.14,0.18,0.14,0.22,0.12,0.25,0.15,-0.06,0.16,0.1,0.09,0.1, 资产的经营现金流量回报率(%),0.18,0.08,0.09,0.12,0.1,0.16,0.09,0.22,0.13,-0.04,0.1,0.13,0.12,0.13, 经营现金净流量与净利润的比率(%),1.7,0.64,0.74,0.96,0.73,1.16,0.69,1.73,1.02,-0.49,1.5,1.02,0.87,1.24, 经营现金净流量对负债比率(%),0.76,0.34,0.42,0.48,0.45,0.7,0.38,0.8,0.47,-0.19,0.58,0.24,0.19,0.2, 现金流量比率(%),77.94,34.71,42.96,49.8,47.62,71.91,38.61,82.73,48.45,-19.85,57.51,27.08,23,20.98,