Year	Percent
2001	0.15552
2002	0.66061
2003	-0.18751
2004	-0.72776
2005	0.53986
2006	4.45346
2007	1.64752
2008	4.03814
2009	-2.76303
2010	-1.07357
2011	0.87853
2012	2.25665
2013	4.24215
2014	2.37057
2015	-0.48475
2016	-0.05534
2017	1.36096
