Year	% change from 1990
1991	0.926588780998383
1992	-1.66770650746841
1993	-0.704737921189924
1994	0.357812101847577
1995	-0.346605245773424
1996	2.50887424724466
1997	3.09982866442171
1998	-50.0951231603444
1999	-55.7056200547786
2000	-48.363264420591
2001	-55.1241465931151
2002	-53.9976298256109
2003	-46.6957798589762
2004	-48.4630930630186
2005	-39.0316743297281
2006	-39.3950268108353
2007	-34.2634729666402
2008	-34.4415269698385
2009	-30.8356061983739
2010	-26.580327062457
2011	-26.5803270624581
2012	-26.5803270624587