Year	% change from 1990
1991	-17.2238149455206
1992	18.0654790441923
1993	-19.8099100304461
1994	-11.3714569536879
1995	-6.57768029259512
1996	-14.655409811211
1997	-17.7543300094819
1998	-12.4001571767303
1999	-16.2810368496428
2000	-12.6856005306153
2001	-11.7476655333844
2002	-11.7581006830069
2003	-14.8625814642612
2004	-12.6665162692426
2005	-8.18672926417285
2006	8.65602829678496
2007	57.4519484901347
2008	17.7937089386748
2009	19.2268528561521
2010	14.4212551837654
2011	15.565467735603
2012	16.7096802874407