Year	% change from 1990
1991	5.39913182703291
1992	10.8035184028948
1993	16.2251403626104
1994	21.5985657468356
1995	27.0416057358588
1996	32.4876985752996
1997	37.938118289348
1998	406.013562444228
1999	209.974893069707
2000	251.121066768819
2001	-34.024777510906
2002	122.906156868531
2003	83.2948217455062
2004	207.397998858955
2005	92.3033746785433
2006	51.1394127171556
2007	2.64308096933337
2008	45.3861117805748
2009	109.36448163826
2010	198.559155563305
2011	198.559155563305
2012	198.559155563305