Year	% change from 1990
1991	-14.8173723842662
1992	19.5072400917617
1993	-19.5592948874775
1994	-11.8680696083135
1995	-9.43899252700795
1996	-18.6378907803236
1997	-20.6607550483794
1998	45.572268238963
1999	19.5945902437095
2000	24.0384325866375
2001	16.5163237902455
2002	14.8672062140815
2003	31.3695288034867
2004	19.4787306323943
2005	35.4017561092999
2006	34.2479123695438
2007	42.9284560395679
2008	35.0035402118059
2009	23.8244288293306
2010	33.2240978178276
2011	33.8228967497245
2012	33.9204779717885