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, 应收账款周转率(次),6.08,6.18,8.42,9.73,9.96,10.15,11.4,16.29,19.62, 应收账款周转天数(天),59.2,58.26,42.78,37,36.16,35.45,31.57,22.1,18.35, 存货周转率(次),2.39,2.73,3.5,3.49,2.78,2.56,3.9,3.51,2.67, 固定资产周转率(次),5.12,5.61,6.15,5.51,5.4,--,--,--,1.08, 总资产周转率(次),0.73,0.79,0.91,0.99,1.12,1.08,--,--,1.08, 存货周转天数(天),150.33,131.73,102.88,103.23,129.72,140.87,92.35,102.67,134.68, 总资产周转天数(天),490.86,453.8,394.69,363.34,320.97,334.32,--,--,334.51, 流动资产周转率(次),1.17,1.13,1.24,1.5,1.64,1.54,2.01,2.18,176.01, 流动资产周转天数(天),306.83,318.27,289.76,239.47,219.94,233.48,179.09,165.02,2.05, 经营现金净流量对销售收入比率(%),0.24,0.11,-0.04,0.26,0.13,0.15,0.18,0.07,0.11, 资产的经营现金流量回报率(%),0.17,0.08,-0.03,0.23,0.15,0.14,0.2,0.09,0.12, 经营现金净流量与净利润的比率(%),1.86,0.67,-0.21,1.85,0.99,1.02,1.67,0.84,4.25, 经营现金净流量对负债比率(%),0.47,0.19,-0.09,0.52,0.39,0.28,0.36,0.17,0.18, 现金流量比率(%),48.3,19.5,-9.42,56.18,40.03,27.82,36.61,17.74,18.84,