Year	Percent Change
2003-01-01	8.6952
2004-01-01	10.6455
2005-01-01	8.3125
2006-01-01	48.9131
2007-01-01	7.7845
2008-01-01	4.3426
2009-01-01	6.8110
2010-01-01	1.8350
2011-01-01	-1.0166
2012-01-01	-0.7323
2013-01-01	-3.9724
2014-01-01	-9.4108
2015-01-01	-9.5658
2016-01-01	-9.3118
2017-01-01	2.7022
2018-01-01	22.8349
2019-01-01	1.4977