Year	% change from 1990
1991	-3.83947269044594
1992	2.99083387689245
1993	7.19832469360431
1994	-14.5463284012496
1995	-8.5310171993546
1996	-2.98946067492877
1997	-2.43194067767517
1998	-11.9042878231316
1999	-27.1701740533489
2000	-24.2191630334031
2001	-24.4601599780288
2002	-3.61289436643895
2003	-21.5881080709946
2004	5.90820144872808
2005	-27.1344708022932
2006	-36.4000823921178
2007	-36.4835044114113
2008	-39.1716159154108
2009	-43.3847368601737
2010	-40.6622266469841
2011	-40.0688489134539
2012	-39.4754711799238