Year	% change from 1990
1991	-0.379986269605415
1992	-2.80632942385151
1993	-1.3065478619471
1994	-6.5048944535927
1995	-6.26317229724863
1996	-7.84192763217905
1997	-7.46866253474605
1998	-8.79321353644075
1999	-8.74664541496036
2000	-5.09992942769219
2001	-2.15845643480223
2002	0.392468446497074
2003	5.49431820909567
2004	7.89905759564469
2005	8.41442747615184
2006	13.8168096516033
2007	16.9447951722781
2008	16.7018728066175
2009	18.3488000307254
2010	20.8613182138965
2011	15.684937909992
2012	13.0211237976313