报告日期,2020-12-31,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31, 应收账款周转率(次),20.5,34.55,140.93,140.82,98.19,118.47,289.37,273.62,338.25,498.37,374.73,4775.02,771.47,403.3,171.28,37.72,21.48,10.97,7.17,6.04,4.71,5.7,6.23,6.16, 应收账款周转天数(天),17.57,10.42,2.55,2.56,3.67,3.04,1.24,1.32,1.06,0.72,0.96,0.08,0.47,0.89,2.1,9.54,16.76,32.82,50.23,59.65,76.37,63.21,57.81,58.44, 存货周转率(次),352.03,416.05,--,--,--,8.38,11.65,12.1,7.35,8.38,9.45,10.87,11.03,11.92,10.54,6.7,7.75,7.03,5.47,4.97,5.07,6.49,7.61,10.66, 固定资产周转率(次),17.09,30.97,123.3,117.39,1.06,0.61,0.78,0.74,0.69,1.19,0.77,0.71,0.82,0.89,0.85,0.75,1.07,1,0.96,1.16,1.44,1.75,2.13,1.46, 总资产周转率(次),0.09,0.09,0.09,0.1,0.12,0.21,0.62,0.58,0.5,0.75,0.51,0.45,0.51,0.63,0.57,0.45,0.55,0.45,0.42,0.45,0.56,0.97,1.15,1.46, 存货周转天数(天),1.02,0.87,--,--,--,42.97,30.91,29.76,49,42.94,38.11,33.13,32.62,30.19,34.15,53.72,46.44,51.2,65.87,72.37,70.98,55.51,47.3,33.78, 总资产周转天数(天),4022.35,3908.79,4044.94,3560.83,2995.01,1756.1,583.18,624.35,713.44,481.48,703.13,802.14,708.24,568.18,636.6,791.91,656.22,806.27,855.31,791.91,643.66,369.76,312.07,247.15, 流动资产周转率(次),0.25,0.24,0.33,0.56,0.61,1.18,4.31,3.65,2.39,3.21,2.57,2.47,2.58,2.13,1.71,1.34,1.53,1.11,0.9,0.8,0.96,2.45,2.77,333.66, 流动资产周转天数(天),1461.63,1495.64,1095.22,647.13,586.03,304.13,83.62,98.51,150.42,112.15,140.17,145.9,139.55,168.7,210.79,268.8,234.86,323.54,400.22,451.47,375.55,147.21,129.85,1.08, 经营现金净流量对销售收入比率(%),0.3,1.25,1.53,0.69,0.49,-1.09,0.36,0.2,0.34,0.25,0.02,0.04,0.2,0.12,0.47,0.11,0.04,0.18,0.15,0.11,0.08,--,--,--, 资产的经营现金流量回报率(%),0.03,0.12,0.14,0.07,0.06,-0.14,0.23,0.11,0.17,0.17,0.01,0.02,0.09,0.09,0.27,0.06,0.02,0.08,0.07,0.04,0.04,--,--,--, 经营现金净流量与净利润的比率(%),1.8,4.68,5.3,--,1.33,-5.14,4.15,2.17,5,1.19,0.21,4.23,--,3.33,--,--,1.86,12.29,5.62,1.9,1.05,--,--,--, 经营现金净流量对负债比率(%),0.05,0.22,0.24,0.11,0.11,-0.2,0.54,0.22,0.3,0.29,0.01,0.02,0.13,0.21,0.52,0.09,0.04,0.14,0.12,0.07,0.09,--,--,--, 现金流量比率(%),8.44,38.2,36.8,18.12,21.78,-39.69,77.59,33.55,56.1,61.45,2.53,4.06,27.08,37.59,54,10.91,4.52,16.48,14.27,9.97,10.31,--,--,--,