Year	% change from 1990
1991	-0.486104607604421
1992	-1.67663654242368
1993	-2.53734313541862
1994	-1.33364159955048
1995	-2.71088921146283
1996	-1.19726306424425
1997	-0.857194699381914
1998	-0.128476774676911
1999	0.19578806892675
2000	-1.51333348941751
2001	0.290901854279824
2002	-2.92131017044391
2003	-1.86071829930698
2004	-2.62221389773367
2005	-1.72112052818881
2006	3.39219657239183
2007	7.9775589998127
2008	7.44433648623337
2009	12.2175852219517
2010	12.1432501404757
2011	8.60699583596003
2012	4.99634791840786