Year	% change from 1990
1991	0.278770945509654
1992	-0.222991630590186
1993	-0.252137578926481
1994	1.47928250715457
1995	-22.2259213009143
1996	-22.5161244934007
1997	-22.2367254024528
1998	-15.5194637145506
1999	-14.3364145960899
2000	-15.0772493259999
2001	-11.2880247841064
2002	-34.4267670359324
2003	-33.5202275394036
2004	-30.6536230172589
2005	-26.3495704741493
2006	-21.0428721824536
2007	-16.8546496581633
2008	-12.6164267569856
2009	-12.2106448038553
2010	-15.5987356688618
2011	-14.7547230255504
2012	-13.9107103822391