Year	Percent
1995	3.92957
1996	4.16178
1997	4.15182
1998	3.71047
1999	3.99181
2000	5.05704
2001	9.08397
2002	9.73489
2003	1.09375
2004	-0.86421
2005	0.66606
2006	2.63586
2007	0.6386
2008	-0.06407
2009	0.95365
2010	0.65165
2011	-2.27937
2012	0.29853
2013	-0.27642
2014	1.47422
2015	0.59394
2016	-0.33506
2017	-0.12714