Year	Percent
1995	-7.50016
1996	-10.50656
1997	-10.46565
1998	-9.66661
1999	-4.40722
2000	-3.24128
2001	-3.95914
2002	-7.45289
2003	-8.4868
2004	-7.87629
2005	-5.10481
2006	-10.14433
2007	-8.87428
2008	-3.92747
2009	4.95978
2010	6.35631
2011	5.7295
2012	1.55054
2013	2.81166
2014	2.82824
2015	4.00233
2016	3.85987
2017	4.48768