Year	% change from 1990
1991	-13.227333350806
1992	22.9236020076684
1993	-10.096755328957
1994	-6.88756226960309
1995	-1.39436162721008
1996	-15.2894559517679
1997	-13.1519958391593
1998	4.14030763448372
1999	-6.70335625862878
2000	-8.21430488875413
2001	-16.8129541597246
2002	-12.1163554918495
2003	-9.18294116767514
2004	-8.20498529993656
2005	-6.35885184174626
2006	-2.34531323081237
2007	11.4557025787062
2008	-3.37528228447609
2009	-9.06210088234582
2010	-3.66178158687608
2011	3.44673678973901
2012	3.48729475001262