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, 应收账款周转率(次),5.21,5.52,5.01,4.27,4.13,4.81,4.79,4.97,7.49,8.73,9.56,10.48,11.15,10.7,11.79,14.33,11.76,11.75,6.3,3.76,0.54,1.6,1.52,2.02,3.09,4.75,18.86, 应收账款周转天数(天),69.06,65.27,71.92,84.23,87.07,74.8,75.24,72.42,48.06,41.22,37.67,34.35,32.3,33.64,30.53,25.12,30.62,30.63,57.1,95.79,668.65,225.38,236.69,177.87,116.66,75.78,19.08, 存货周转率(次),2.68,2.36,2.11,2.18,2.33,2.56,2.79,2.76,3.67,4.26,3.52,3.04,3.24,3.09,3.12,3.42,2.82,3.53,2.45,1.74,0.58,2.09,2.24,5.3,8.96,7.69,17.37, 固定资产周转率(次),3.7,3.62,3.09,2.64,2.32,2.36,2.43,2.45,3.08,3.23,3.17,3.7,4.63,3.94,4.08,5.1,3.45,3.34,2.31,1.63,0.49,2.48,3.54,8.57,19.81,33.97,1.41, 总资产周转率(次),0.72,0.69,0.63,0.62,0.65,0.68,0.67,0.63,0.81,0.9,0.88,0.88,0.9,0.88,0.91,0.98,0.71,0.79,0.56,0.34,0.07,0.29,0.34,0.61,0.96,0.83,1.41, 存货周转天数(天),134.36,152.63,170.43,165.21,154.49,140.43,128.88,130.29,98.04,84.49,102.35,118.58,111.09,116.53,115.44,105.26,127.61,102.01,147.06,206.47,624.35,172.18,160.59,67.98,40.16,46.83,20.72, 总资产周转天数(天),501.46,518.66,571.79,578.13,552.57,530.97,536.35,571.16,444.88,401.83,411.1,407.93,399.73,409.09,394.74,369.19,504.2,457.72,642.28,1065.4,5224.96,1232.03,1059.14,585.65,376.85,434.21,255.7, 流动资产周转率(次),1.12,1.09,1.02,1.06,1.16,1.23,1.26,1.19,1.51,1.66,1.56,1.54,1.47,1.46,1.61,1.69,1.25,1.48,1.06,0.59,0.1,0.36,0.4,0.7,1.12,0.99,151.68, 流动资产周转天数(天),321.17,331.31,352.01,340.2,310.93,292.75,285.28,302.04,238.55,217.47,230.5,233.84,245.62,246.54,223.55,213.61,287.59,243.42,340.23,605.35,3769.63,1001.39,891.53,516.5,322.47,365.37,2.37, 经营现金净流量对销售收入比率(%),0.09,0.08,0.07,0.09,0.07,0.04,0.09,0.06,0.03,0.06,0.09,0.06,0.04,0.06,0.06,0.06,0.07,0.03,0.06,0.73,-0.5,-0.05,--,--,--,--,--, 资产的经营现金流量回报率(%),0.06,0.06,0.04,0.05,0.04,0.03,0.06,0.04,0.02,0.05,0.07,0.05,0.03,0.05,0.05,0.06,0.04,0.03,0.03,0.21,-0.04,-0.02,--,--,--,--,--, 经营现金净流量与净利润的比率(%),1.44,1.6,1.29,1.87,2.39,1.15,2.25,2.89,0.9,1.24,1.24,1.12,0.63,0.49,1.01,1.37,1.13,0.55,0.58,5.31,-0.66,--,--,--,--,--,--, 经营现金净流量对负债比率(%),0.13,0.11,0.08,0.1,0.09,0.06,0.12,0.07,0.05,0.1,0.14,0.1,0.07,0.09,0.1,0.1,0.08,0.06,0.07,0.38,-0.09,-0.03,--,--,--,--,--, 现金流量比率(%),13.42,12.1,9.1,11.51,10.24,6.61,13.77,8.25,5.69,11.32,15.14,10.38,7.16,9.96,10.94,12.39,9.01,6.29,7.72,40.1,-9.79,-2.87,--,--,--,--,--,