Year	Percent
1998	2.40248
1999	-3.05616
2000	-7.86072
2001	-1.26925
2002	-1.01857
2003	-13.58857
2004	-3.83586
2005	-9.99037
2006	-10.17412
2007	-16.25544
2008	-9.09534
2009	-7.03306
2010	-3.6934
2011	-6.11136
2012	-14.95238
2013	-6.47908