Year	Percent
1996	4.65633
1997	4.10041
1998	-1.13798
1999	2.75331
2000	2.03241
2001	50.89283
2002	0.49754
2003	3.11137
2004	9.97004
2005	9.15817
2006	7.36583
2007	10.11807
2008	11.05004
2009	11.28683
2010	2.88162
2011	12.63499
2012	6.77695
2013	6.43036
2014	4.64086
2015	5.88476
2016	-0.71901
2017	0.03287