Year	Percent Change from Year Ago
1996-01-01	3.516281143075430
1997-01-01	5.114380072409960
1998-01-01	3.285631581507450
1999-01-01	5.274354012549230
2000-01-01	4.155433810962300
2001-01-01	2.949365438280240
2002-01-01	3.836305370176240
2003-01-01	2.842083168134630
2004-01-01	4.351795440063820
2005-01-01	4.003007433012070
2006-01-01	5.655999111302960
2007-01-01	6.941645694005560
2008-01-01	3.300130187668020
2009-01-01	-7.797276561491300
2010-01-01	1.237755965801490
2011-01-01	0.649366963849754
2012-01-01	-2.669582162170640
2013-01-01	-1.132054886740820
2014-01-01	2.950565120091450
2015-01-01	2.304895775012650
2016-01-01	3.068087141476620
2017-01-01	4.880537576023690