Year	Percent
1999	0.03571
2000	0.11116
2001	0.12711
2002	0.12602
2003	0.10237
2004	0.1946
2005	-1.39018
2006	-0.16999
2007	1.97847
2008	1.35679
2009	-0.22755
2010	1.63617
2011	1.26593
2012	1.36889
2013	0.78867
2014	2.46255
2015	2.25604
2016	2.86442
2017	1.35036