Year	Percent
1995	2.43449
1996	2.58087
1997	18.49872
1998	22.78074
1999	14.98109
2000	-12.2068
2001	-8.81475
2002	-3.90458
2003	6.83015
2004	5.85635
2005	8.14078
2006	-6.99095
2007	-4.20632
2008	-9.98315
2009	15.69506
2010	-0.15133
2011	4.39989
2012	11.14402
2013	-7.09468
2014	-3.97425
2015	9.1207
2016	0.52012
2017	-6.08097