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, 应收账款周转率(次),13.41,9.98,8.12,8.61,11.21,17.13,13.13,8.93,7.44,6.58,5.93,5.82,4.84,3.66,3.51,2.8,1.76,1.63,2.5,2.73,2.88,3.69,6.23,9.45,17.13,18.88,10.17,--, 应收账款周转天数(天),26.85,36.08,44.35,41.83,32.11,21.02,27.42,40.32,48.36,54.69,60.73,61.82,74.46,98.45,102.67,128.74,204.64,220.97,143.8,131.75,125.12,97.51,57.74,38.08,21.01,19.07,35.39,--, 存货周转率(次),0.88,0.44,0.47,0.78,1.5,2.37,3.44,2.99,1.62,1.83,2.1,2.58,2.98,2.78,1.85,1.17,0.84,0.91,1.1,0.82,0.81,1.05,1.76,2.5,2.77,0,4.63,--, 固定资产周转率(次),3.99,2.76,1.81,1.88,3.31,6.2,5.89,5.87,5.2,4.03,3.63,3.55,3.07,1.85,1.42,1.36,1.16,1.25,1.85,1.67,1.54,2.38,5.08,6.11,6.22,7.57,9.43,--, 总资产周转率(次),0.59,0.4,0.31,0.32,0.41,0.63,0.67,0.61,0.49,0.45,0.49,0.53,0.48,0.38,0.34,0.31,0.27,0.25,0.3,0.28,0.27,0.31,0.43,0.47,0.47,0.57,0.64,--, 存货周转天数(天),410.44,811.72,760.14,464.34,239.6,151.78,104.66,120.59,222.24,196.23,171.25,139.59,120.73,129.5,194.28,307.98,429.39,396.74,328.11,438.17,445.16,342.92,204.46,143.99,129.88,--,77.77,--, 总资产周转天数(天),613.5,892.86,1150.53,1110.77,875.7,570.61,540.3,589.39,728.16,795.76,730.67,682.34,751.72,944.63,1065.09,1164.3,1347.81,1429.71,1204.42,1284.8,1318.68,1176.86,840.73,760.78,760.62,626.85,564.44,--, 流动资产周转率(次),0.96,0.66,0.54,0.64,0.93,1.23,1.22,0.97,0.7,0.65,0.75,0.85,0.8,0.67,0.59,0.52,0.44,0.39,0.43,0.41,0.41,0.45,0.63,0.71,0.73,0.84,0.84,--, 流动资产周转天数(天),374.34,549.62,670.77,559.7,388.14,292.75,295.52,371.4,514.51,552.15,482.57,424.98,449.1,536.43,611.72,696.33,817.07,913.71,831.41,885.17,873.15,793.48,568.72,505.62,494.57,428.88,429.18,--, 经营现金净流量对销售收入比率(%),0.01,0.13,0.13,-0.04,0.1,0.04,-0.14,0.26,0.19,0.13,0.03,0.09,0.15,0.08,0.13,0.08,-0.03,0.14,-0.04,-0.05,-0.21,-0.3,--,--,--,--,--,--, 资产的经营现金流量回报率(%),0.01,0.05,0.04,-0.01,0.04,0.02,-0.09,0.17,0.09,0.06,0.01,0.05,0.07,0.03,0.05,0.03,-0.01,0.04,-0.01,-0.01,-0.06,-0.08,--,--,--,--,--,--, 经营现金净流量与净利润的比率(%),0.3,2.55,1.98,-0.62,1.19,0.78,-3.38,6.6,4.7,3.29,0.94,1.7,2.67,1.89,1.75,1.2,-0.75,5.54,-2.99,-0.43,-2.66,-4.21,--,--,--,--,--,--, 经营现金净流量对负债比率(%),0.02,0.09,0.08,-0.02,0.1,0.06,-0.15,0.33,0.15,0.1,0.03,0.09,0.14,0.06,0.09,0.05,-0.02,0.06,-0.02,-0.03,-0.14,-0.22,--,--,--,--,--,--, 现金流量比率(%),2.46,10.46,9.74,-2.9,16.65,10.77,-17.65,35.3,17.11,11.31,2.81,9.46,14.07,6.08,8.94,5.13,-1.59,6.43,-1.82,-3.13,-15.5,-29.88,--,--,--,--,--,--,