Year	% change from 1990
1991	-1.68872459027336
1992	-3.3364765179078
1993	-8.5333288828065
1994	-13.2870756700833
1995	-13.3843753129277
1996	-9.8935211455656
1997	-6.76149070396207
1998	14.7401448646484
1999	27.5910410894881
2000	49.5868972846223
2001	67.5673336893755
2002	63.3065189091767
2003	58.3857922494075
2004	56.421455155379
2005	64.8968965920083
2006	80.8198387796647
2007	93.0996211489035
2008	106.588968256617
2009	119.140990186588
2010	135.132898294336
2011	135.132898294336
2012	135.132898294336