Year	% change from 1990
1991	-2.15882277757073
1992	-2.7195638803614
1993	-5.16611161289997
1994	-9.05037683761907
1995	-10.1027024636241
1996	-10.6152898954838
1997	-5.88069800714842
1998	7285.80626402836
1999	7101.79044990765
2000	6691.13009380919
2001	6364.72512040674
2002	6689.30198762721
2003	7391.91767174413
2004	7461.2232083303
2005	7529.9329177165
2006	6966.17205426278
2007	6847.04723883713
2008	6858.96378283791
2009	7110.82264859918
2010	7308.31228235707
2011	7308.31228235704
2012	7308.31228235701