Year	% change from 1990
1991	-18.9421787017463
1992	12.7459907376735
1993	-19.0564738749596
1994	-13.7912853245856
1995	-7.22259063716958
1996	-13.9539649753881
1997	-14.1269342954542
1998	-14.2428874809754
1999	-15.4888968145908
2000	-13.8221206029254
2001	-10.7828074068702
2002	-14.2186545086239
2003	-16.7361370633604
2004	-11.2040479577652
2005	-9.48069331976783
2006	21.3720402367272
2007	81.5061577579189
2008	33.6240445757132
2009	30.0494877219305
2010	26.8511934707393
2011	28.1197054054467
2012	29.3882173401541