Year	Percent
1994	4.8719
1995	-1.60745
1996	-2.06478
1997	-3.71991
1998	-3.99195
1999	-4.6929
2000	3.69914
2001	1.95388
2002	-4.46589
2003	-7.74737
2004	-3.49244
2005	-9.38526
2006	-12.48235
2007	-10.53749
2008	-8.66594
2009	-12.49025
2010	-13.31389
2011	-15.66429