Year	% change from 1990
1991	-2.70050691980323
1992	2.52044419888091
1993	0.594125617931596
1994	-0.511977701674271
1995	7.00014745355624
1996	10.0274766585016
1997	5.1285537267836
1998	10.3577304448268
1999	6.0291563443452
2000	4.59844799909821
2001	5.91247075742456
2002	7.59437674332295
2003	9.10511182806777
2004	15.0360559625404
2005	19.1668886746909
2006	13.8895928635982
2007	16.4526735855593
2008	18.5010201732496
2009	21.5107606693407
2010	28.3204169436268
2011	30.2867208080671
2012	33.1875137446617