Year	Percent
1999-01-01	3.0418
2000-01-01	4.8268
2001-01-01	3.3389
2002-01-01	3.0945
2003-01-01	2.0567
2004-01-01	2.0535
2005-01-01	2.2757
2006-01-01	3.5011
2007-01-01	3.8791
2008-01-01	2.4864
2009-01-01	0.3546
2010-01-01	0.4981
2011-01-01	0.6270
2012-01-01	0.0734
2013-01-01	0.1686
2014-01-01	-0.0301
2015-01-01	-0.1990
2016-01-01	-0.3504
2017-01-01	-0.3423