Year	% change from 1990
1991	0.185527242737238
1992	1.99841190804884
1993	4.32656476583555
1994	12.1743367021573
1995	12.5664599790317
1996	11.8483093654376
1997	10.6889919487987
1998	8.90224664853763
1999	3.43668684545142
2000	-1.97836011531826
2001	-5.46643321177005
2002	-5.01209785531651
2003	-3.8539712201083
2004	-2.91992805178447
2005	-4.77536679779824
2006	-7.74270855641782
2007	-7.81723994478537
2008	-10.499539833837
2009	-10.6287983231431
2010	-10.8030293090807
2011	-12.6737186292941
2012	-14.7189535276021