Year	Percent
2004	-0.40186
2005	0
2006	0
2007	0.60895
2008	0
2009	1.75856
2010	5.40523
2011	-0.00597
2012	-2.75217
2013	1.46002
2014	-3.59476
2015	-0.66927
2016	0.84334
2017	-0.79816