Year	Percent
2003	3.34315
2004	-3.36111
2005	6.95447
2006	2.20061
2007	10.64918
2008	1.04049
2009	17.95109
2010	5.42597
2011	2.87965
2012	10.75025
2013	0.51251
2014	-0.52684
2015	-1.6283
2016	-0.34941
2017	0.07167