Year	% change from 1990
1991	-5.98372217549961
1992	-7.2026632143807
1993	-6.60217327047676
1994	-9.9613287537804
1995	-14.288096930927
1996	6.16477997156113
1997	-11.7472048839137
1998	167.847285294555
1999	-23.3894618002009
2000	22.352942862608
2001	-3.8106260811535
2002	71.2974514755508
2003	160.55593252492
2004	-65.7303075899055
2005	-41.5590436784573
2006	-2.97020756622205
2007	-43.5416458573912
2008	40.3850036606657
2009	-31.9924220182392
2010	-26.7450581744114
2011	-10.2223264756393
2012	-10.2223264756395