Year	Percent
2000	0.81938
2001	1.02513
2002	0.1723
2003	0.13467
2004	0.34281
2005	3.50325
2006	0.76812
2007	1.76276
2008	0.05749
2009	0.12505
2010	0.10598
2011	0.00517
2012	0.0073
2013	0.40078
2014	-0.33419
2015	-2.20361
2016	0.00059
2017	-0.69352