Year	% change from 1990
1991	-19.9468146416163
1992	-6.04633547940922
1993	-12.7439034430522
1994	-11.3632247122557
1995	-0.547496336302711
1996	-1.45724588760271
1997	1.54698588859066
1998	-1.15921028799132
1999	-12.5990021570532
2000	17.2127908317004
2001	11.5674037970723
2002	10.0895753404357
2003	-14.9067197971382
2004	-11.8506199469793
2005	2.70207966277518
2006	8.49401458892491
2007	12.112430225091
2008	19.2842205792758
2009	23.1438639245196
2010	31.2896214453903
2011	32.6025176598442
2012	33.9154138742981