Year	% change from 1990
1991	-1.00429422095697
1992	-2.3320051556975
1993	-0.475659580930043
1994	-4.47255245299343
1995	-0.111642847416749
1996	2.26277298937276
1997	-0.636971057523117
1998	13.7292332507862
1999	-2.68393417777796
2000	-3.16095181859849
2001	-3.17295936771441
2002	6.3516972522039
2003	18.0506505770689
2004	20.8206642486161
2005	31.4295629659904
2006	33.9157189963849
2007	47.4794092925886
2008	48.5710867977762
2009	46.8556431081284
2010	67.3403492541186
2011	77.0144020622669
2012	80.5892287162437