Year	Percent Change
2000-01-01	3.8000
2001-01-01	6.2000
2002-01-01	6.5000
2003-01-01	6.6000
2004-01-01	5.0000
2005-01-01	6.0000
2006-01-01	5.4160
2007-01-01	6.9639
2008-01-01	6.6798
2009-01-01	9.5940
2010-01-01	6.2525
2011-01-01	6.1000
2012-01-01	7.2000
2013-01-01	7.3000
2014-01-01	5.6000
2015-01-01	5.0000
2016-01-01	2.3000
2017-01-01	2.4633
2018-01-01	3.4411
2019-01-01	2.9154