Year	% change from 1990
1991	-8.50283057015771
1992	-11.1542660735948
1993	-9.14425798625151
1994	-8.71603315810756
1995	-0.0939142741609333
1996	2.09260008087344
1997	4.09017387788111
1998	18.4128588758593
1999	4.09927213910231
2000	4.3944601698342
2001	9.53598867771936
2002	13.3572583906187
2003	14.1275778406793
2004	11.3991103922362
2005	15.1182773958755
2006	14.1649818034776
2007	15.2729478366357
2008	16.8712090578245
2009	16.3788920339669
2010	17.1340477153255
2011	17.5686985998787
2012	17.9787538515973