Year	Percent Change
2001-01-01	2.4248
2002-01-01	2.4309
2003-01-01	3.2099
2004-01-01	8.1062
2005-01-01	8.8263
2006-01-01	4.2024
2007-01-01	10.9587
2008-01-01	11.6977
2009-01-01	16.2400
2010-01-01	11.6898
2011-01-01	11.0901
2012-01-01	8.6499
2013-01-01	6.9145
2014-01-01	10.0966
2015-01-01	10.9939
2016-01-01	10.1995
2017-01-01	23.5373
2018-01-01	20.0963
2019-01-01	12.9622