Year	% change from 1990
1991	-10.6496960486322
1992	30.8602909248806
1993	6.59683022145028
1994	-6.08554059921841
1995	7.39144594007815
1996	-18.5035822839774
1997	-17.9998914459401
1998	324.3052540165
1999	-4.35138949196701
2000	-30.8814589665654
2001	-26.8269648284846
2002	-27.9456144159792
2003	-29.9864307425098
2004	-35.1134389926183
2005	14.4485453755971
2006	-34.7894051237516
2007	-38.4270516717325
2008	-41.8741858445506
2009	-41.5137863656101
2010	-41.2304602692141
2011	-40.6427648719062
2012	-40.0550694745983