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, 应收账款周转率(次),7.03,7.13,7.15,6.98,7.66,6.29,7.26,7.52,11,9.16,8.8,9.5,9.76,9.46,5.66,5.38,4.27,2.65,2.33,3.07,4.83,4.99,7.22,20.93,20.42,10.84, 应收账款周转天数(天),51.25,50.46,50.33,51.56,46.99,57.24,49.59,47.86,32.72,39.29,40.92,37.9,36.87,38.05,63.6,66.97,84.26,135.82,154.54,117.13,74.48,72.17,49.84,17.2,17.63,33.21, 存货周转率(次),2.19,2.73,2.53,1.83,1.75,1.73,2.57,2.69,3.04,2.28,1.99,2.28,2.1,1.96,1.49,2.43,2.92,2.53,2.53,2.54,2.75,2.8,2.73,2.51,3.48,3.48, 固定资产周转率(次),0.96,1.08,1.14,1.08,1.13,0.93,1.13,1.38,2.02,1.35,1.16,1.22,1.49,2.32,2.32,2.29,1.89,1.6,1.67,2.04,2.79,3,3.66,3.43,3.21,0.94, 总资产周转率(次),0.42,0.44,0.45,0.42,0.44,0.35,0.39,0.35,0.49,0.46,0.45,0.41,0.43,0.49,0.38,0.46,0.43,0.42,0.47,0.52,0.7,0.8,1.01,1.18,1.3,0.94, 存货周转天数(天),164.16,131.91,142.29,196.36,205.15,208.6,140.02,133.87,118.58,157.71,180.46,158.01,171.49,183.22,241.94,147.9,123.22,142.24,142.56,141.87,130.73,128.78,131.75,143.16,103.39,103.52, 总资产周转天数(天),862.07,811.72,800.18,851.87,827.21,1015.51,923.31,1026.81,740.74,784.66,808.44,876.98,847.06,737.86,944.63,774.36,831.02,865.8,766.77,691.64,514.95,448.1,356.47,304.57,276.22,384.04, 流动资产周转率(次),0.93,1.02,1.03,0.9,0.89,0.82,0.93,0.95,1.31,1.02,1.13,1.02,0.93,1.02,0.76,0.85,0.77,0.73,0.9,0.93,1.17,1.49,1.82,2.09,2.51,206.4, 流动资产周转天数(天),385.23,354.16,349.58,401.34,403.63,439.78,388.35,377.64,274.06,354.16,319.04,354.51,387.22,354.16,476.51,425.38,468.26,492.61,400.27,386.06,307.77,242.15,197.74,172.1,143.37,1.74, 经营现金净流量对销售收入比率(%),0.08,0.13,0.13,0.07,0.1,0.16,0.16,0.36,0.27,-0.07,0.08,0.06,0.01,0.22,-0.09,0.18,0.19,0.26,0.16,0.21,0.09,0.13,--,--,--,--, 资产的经营现金流量回报率(%),0.04,0.06,0.06,0.03,0.05,0.06,0.07,0.12,0.12,-0.03,0.03,0.03,0,0.1,-0.03,0.08,0.08,0.1,0.07,0.1,0.05,0.09,--,--,--,--, 经营现金净流量与净利润的比率(%),1.2,--,1.26,0.74,1.52,2.41,2.08,7.69,19.18,-0.61,1.07,--,0.14,2.83,-0.88,1.66,2.37,3.38,1.22,1.07,0.48,0.82,--,--,--,--, 经营现金净流量对负债比率(%),0.13,0.17,0.15,0.08,0.1,0.12,0.13,0.2,0.21,-0.06,0.08,0.06,0.01,0.21,-0.06,0.22,0.26,0.32,0.17,0.27,0.21,0.26,--,--,--,--, 现金流量比率(%),23.03,25.27,22.94,11.68,15.61,16.74,16.54,25.88,23.89,-6.48,7.53,6.6,1.12,23.22,-6.35,22.53,25.58,32.28,16.76,26.68,20.93,26.77,--,--,--,--,