Year	% change from 1990
1991	-1.6332553114677
1992	-2.17478271145317
1993	-9.60655513768023
1994	-11.6947151479145
1995	-9.99901343356558
1996	-7.01860707660851
1997	-3.8412126744515
1998	-2.22833917503531
1999	1.04044813967179
2000	4.08015689658725
2001	4.72175032063409
2002	4.98877374128759
2003	8.34158182376021
2004	12.3872631020901
2005	14.9339054695893
2006	17.9911772773151
2007	20.1312675427232
2008	22.0089961849151
2009	22.5163732083249
2010	27.6779586964747
2011	28.9547382834395
2012	30.2315178704042