Year	Percent Change
2000-01-01	0.9937
2001-01-01	8.0369
2002-01-01	5.1269
2003-01-01	5.5273
2004-01-01	19.2574
2005-01-01	9.4880
2006-01-01	38.7202
2007-01-01	19.2278
2008-01-01	16.6461
2009-01-01	18.6490
2010-01-01	5.7377
2011-01-01	10.9711
2012-01-01	9.8950
2013-01-01	10.4100
2014-01-01	9.7794
2015-01-01	8.2055
2016-01-01	5.6144
2017-01-01	4.0153
2018-01-01	4.0566
2019-01-01	4.0793