Year	Percent
2000	0.38245
2001	0.40279
2002	0.53944
2003	0.22999
2004	0.22193
2005	0.44969
2006	0.83609
2007	2.08282
2008	0.7127
2009	0.19301
2010	0.41724
2011	0.32569
2012	0.34818
2013	0.06145
2014	0.21274
2015	-0.22803
2016	0.04807
2017	0.00968