Year	% change from 1990
1991	0.725449815555712
1992	-0.282707586789455
1993	-1.1599279055435
1994	-2.58184654720662
1995	-3.2024308287752
1996	-3.65541492266885
1997	-2.85838617599764
1998	-31.430844955549
1999	184.860105439492
2000	7.75849670576569
2001	-42.9780400255093
2002	-34.0532268533742
2003	-14.5857563534856
2004	15.56433956894
2005	-32.4657850705407
2006	-7.26523168077019
2007	65.3236401656558
2008	-7.35417114311553
2009	37.9984036078816
2010	175.619587728022
2011	175.619587728022
2012	188.181661777865