报告日期,2019-12-31,2018-12-31,2017-12-31,2016-12-31,2015-12-31,2014-12-31,2013-12-31,2012-12-31,2011-12-31,2010-12-31,2009-12-31,2008-12-31,2007-12-31,2006-12-31,2005-12-31,2004-12-31,2003-12-31,2002-12-31,2001-12-31,2000-12-31,1999-12-31,1998-12-31,1997-12-31,1996-12-31,1995-12-31,1994-12-31,1993-12-31,1992-12-31,1991-12-31,1990-12-31, 应收账款周转率(次),5.21,7.08,4.42,4.89,3.27,3.68,7.54,4.49,4.71,4.81,4.39,4.46,5.36,5.9,6.19,5.39,4.48,3.5,3.44,2.35,3.7,4.17,3.38,2.68,4.6,7.97,6.15,27.28,--,--, 应收账款周转天数(天),69.09,50.87,81.37,73.64,110.03,97.91,47.73,80.25,76.45,74.79,82.07,80.76,67.13,61.02,58.19,66.79,80.44,102.96,104.55,153.09,97.29,86.31,106.45,134.14,78.3,45.19,58.57,13.2,--,--, 存货周转率(次),2.29,3.53,2.07,1.38,1.14,1.34,2.44,2.32,2.55,2.06,2.64,2.55,3.45,3.43,3.08,2.85,2.84,2.29,2.14,1.27,2.26,2.27,2.41,2.66,3.38,0,2.57,0,--,--, 固定资产周转率(次),--,2.58,--,--,1.03,2.22,5.46,4.15,4.91,3.75,3.37,3.23,3.14,2.71,2.29,2.04,1.81,1.39,1.47,1.13,1.57,1.4,1.14,1.03,1.29,2.03,3.19,0.9,--,--, 总资产周转率(次),0.6,0.8,0.48,0.42,0.33,0.49,0.91,0.7,0.82,0.72,0.7,0.65,0.69,0.72,0.65,0.6,0.55,0.4,0.35,0.25,0.42,0.42,0.34,0.28,0.29,0.34,0.62,0.9,--,--, 存货周转天数(天),157.42,102.11,173.82,261.27,315.62,269.2,147.36,154.97,140.98,174.43,136.38,141.32,104.26,105.08,116.93,126.39,126.78,157.16,168.52,283.24,159.29,158.28,149.54,135.22,106.57,--,140.22,--,--,--, 总资产周转天数(天),602.31,449.66,752.67,853.28,1075.27,741.81,396.83,513.7,439.94,498.06,511.65,555.04,523.64,499.93,550.88,604.53,659.22,889.77,1015.23,1425.18,865.8,860.42,1057.27,1268.5,1243.95,1051.71,583.75,402.05,--,--, 流动资产周转率(次),1.5,1.69,1.09,1.14,0.83,0.95,1.63,1.21,1.4,1.3,1.15,0.99,1.05,1.08,0.97,0.89,0.85,0.62,0.53,0.39,0.68,0.71,0.58,0.49,0.49,0.55,1.06,194.34,--,--, 流动资产周转天数(天),239.95,213.06,329.01,315.13,434.21,377.71,220.25,297.55,257.23,277.31,312.69,363.93,342.99,334.6,372.9,402.46,426.04,582.71,680.4,923.55,529.49,507.04,622.84,734.09,737.86,659.22,338.47,1.85,--,--, 经营现金净流量对销售收入比率(%),0.56,0.2,0.14,0.01,-0.02,0,0.04,-0.09,-0.02,-0.05,0.03,0.08,0.18,0.21,0.04,0.01,-0.21,0.14,0.07,-0.1,0.36,0.02,--,--,--,--,--,--,--,--, 资产的经营现金流量回报率(%),0.31,0.15,0.06,0.01,-0.01,0,0.04,-0.07,-0.02,-0.04,0.02,0.06,0.11,0.15,0.02,0,-0.12,0.06,0.03,-0.02,0.14,0.01,--,--,--,--,--,--,--,--, 经营现金净流量与净利润的比率(%),3.3,--,2.73,0.61,--,0.25,4.94,--,-0.23,--,--,4.69,3.06,--,1.97,0.16,--,7.17,1.92,-2.31,3.26,0.1,--,--,--,--,--,--,--,--, 经营现金净流量对负债比率(%),0.42,0.19,0.07,0.01,-0.01,0,0.05,-0.1,-0.04,-0.08,0.05,0.16,0.36,0.47,0.06,0.01,-0.4,0.18,0.07,-0.06,0.51,0.03,--,--,--,--,--,--,--,--, 现金流量比率(%),86.03,22.47,10.64,0.8,-0.8,0.4,6.29,-9.94,-3.73,-7.64,5.43,16.56,37.11,48.06,6.4,1.29,-39.75,18.12,6.69,-6.25,51.36,2.71,--,--,--,--,--,--,--,--,