Year	% change from 1990
1991	-16.4611973912636
1992	30.7167280533008
1993	-25.6675796462253
1994	-12.8029254445643
1995	-5.98417045934405
1996	-21.8475812884155
1997	-24.8618800731948
1998	5.24210575704969
1999	-25.0368026556562
2000	-12.1190705203397
2001	-3.34962816121616
2002	-10.2380296063435
2003	0.928717214845398
2004	-11.2334607985736
2005	1.39468868765542
2006	-41.1657497771313
2007	-43.8678857974007
2008	-42.8847710317647
2009	-40.4357082531788
2010	-38.7609674846338
2011	-38.1485771594801
2012	-37.5361868343265