变动日期	应收账款周转天数
2019-06-30	136.7300
2019-03-31	162.1000
2018-12-31	131.5700
2018-09-30	148.0300
2018-06-30	175.0100
2018-03-31	223.8800
2017-12-31	162.2400
2017-09-30	194.4800
2017-06-30	227.1600
2017-03-31	283.4600
2016-12-31	170.2400
2016-09-30	210.8400
2016-06-30	236.4700
2016-03-31	285.4400
2015-12-31	134.8800
2015-09-30	149.4900
2015-06-30	165.8500
2015-03-31	181.2000
2014-12-31	148.4800
2014-09-30	158.8600
2014-06-30	198.6300
2014-03-31	266.4300
2013-12-31	160.3700
2013-09-30	187.8100
2013-06-30	214.9500
2013-03-31	289.7600
2012-12-31	164.0600
2012-09-30	181.9500
2012-06-30	183.7500
2012-03-31	218.5500
2011-12-31	130.3600
2011-09-30	74.7100
2011-06-30	162.0600
2011-03-31	98.0900
2010-12-31	134.6200
2009-12-31	128.0300
2008-12-31	233.4800