Year	Percent Change from Year Ago
1996-01-01	1.593089230035280
1997-01-01	3.710461879046040
1998-01-01	1.975471551657210
1999-01-01	3.563590231525570
2000-01-01	3.633596295661110
2001-01-01	0.811167815697937
2002-01-01	1.780762488787790
2003-01-01	0.774434726010236
2004-01-01	3.634934697493620
2005-01-01	2.094151322701740
2006-01-01	2.505787052668250
2007-01-01	3.449275362318840
2008-01-01	0.783259889452098
2009-01-01	-2.253421455018760
2010-01-01	2.744415628741120
2011-01-01	1.798104000624130
2012-01-01	0.234853204386556
2013-01-01	0.200513986652113
2014-01-01	1.254827442766050
2015-01-01	1.716706898186300
2016-01-01	1.488895421228340
2017-01-01	1.692644250354990