Year	% change from 1990
1991	-10.7560010342813
1992	15.8711910080396
1993	-11.1482223408822
1994	-4.45952261295011
1995	0.547712322801641
1996	-3.06208389173896
1997	-4.1765553408296
1998	0.917504187392204
1999	-2.02782147161222
2000	2.97225345268315
2001	3.86722305131346
2002	3.91330221644162
2003	2.93400029274784
2004	6.52112609593374
2005	9.59068215957681
2006	22.8999606043097
2007	57.0557953018321
2008	27.2397677562539
2009	30.3512781454871
2010	26.6935089667114
2011	27.9604440563785
2012	29.2273791460456