Year	Percent Change From Preceding Period
2004-01-01	-26.34357555639380
2005-01-01	68.77469094516630
2006-01-01	112.70952145466700
2007-01-01	51.01402298000420
2008-01-01	99.13092764027960
2009-01-01	-3.04554079696395
2010-01-01	36.48106468343280
2011-01-01	106.99075069907500
2012-01-01	38.19668156153660
2013-01-01	-16.11941046721480
2014-01-01	-6.58374421036904
2015-01-01	50.13394963493730
2016-01-01	6.92773972237906
2017-01-01	-25.28208881560590