Year	% change from 1990
1991	-0.792175371237358
1992	-3.5511309745123
1993	-2.05555850640038
1994	-1.70499814096776
1995	-6.3669957280198
1996	-1.92580564387014
1997	-3.18918877903316
1998	-2.3173405974702
1999	-1.46066818930261
2000	-3.81974216361002
2001	-5.62490040898709
2002	-4.84714202247531
2003	-4.83955413577766
2004	-5.35401285388006
2005	-5.7114023173406
2006	-4.8850814559637
2007	-5.99291291382438
2008	-5.63779981637315
2009	-9.53493842429945
2010	-10.538815834402
2011	-10.1138682659221
2012	-9.68892069744257