Year	% change from 1990
1991	-4.23145461634959
1992	0.17844220506571
1993	7.46265206927286
1994	-17.2360485356361
1995	-11.2016100230365
1996	-8.73338208005321
1997	-8.07365431784022
1998	-74.898061184783
1999	-96.0626014484479
2000	-94.3235895541659
2001	-98.2270199360063
2002	-92.5651877556759
2003	-79.7238418822766
2004	-96.6291721509118
2005	-92.9192874610275
2006	-96.793835758558
2007	-93.6984872124962
2008	-92.3512984572386
2009	-90.3996055651125
2010	-96.7749121686938
2011	-96.7749121686938
2012	-96.7749121686938