Year	% change from 1990
1991	-11.9103838572246
1992	-12.9801394688315
1993	-10.8445494817609
1994	-2.58674410224888
1995	0.718963945823359
1996	0.459420504885655
1997	4.22560885139573
1998	-0.968545327370229
1999	-1.87233726870005
2000	1.72015091460183
2001	-6.55789652175756
2002	-9.39422200555331
2003	-1.57336950761992
2004	-1.85559253057503
2005	-1.1666207422794
2006	-3.39144534644651
2007	-3.35520040696072
2008	-4.2308018398016
2009	-11.8001653277941
2010	-8.25716950338075
2011	-8.4520983612614
2012	-8.64702721914206