Year	Percent Change
2000-01-01	2.0019
2001-01-01	1.7597
2002-01-01	0.6325
2003-01-01	1.9682
2004-01-01	3.1179
2005-01-01	3.1121
2006-01-01	3.4686
2007-01-01	4.9696
2008-01-01	11.9567
2009-01-01	1.6738
2010-01-01	3.9541
2011-01-01	5.0739
2012-01-01	3.7375
2013-01-01	2.3987
2014-01-01	2.9361
2015-01-01	2.1036
2016-01-01	2.7000
2017-01-01	0.7000
2018-01-01	1.0000
2019-01-01	2.0000