Year	% change from 1990
1991	-3.6886589047003
1992	6.00661204542188
1993	1.75650424033347
1994	4.52953859422165
1995	14.5214891476211
1996	22.0549087250252
1997	16.3731493459825
1998	34.6430932873365
1999	20.8003449762829
2000	17.3497197067702
2001	30.1290786258445
2002	19.4624119591778
2003	30.5953715682047
2004	27.968664654305
2005	23.5584303579129
2006	1.34109529969815
2007	-9.19678022135978
2008	50.8610033060227
2009	-0.308178812706617
2010	9.74787983326146
2011	10.8453586315941
2012	11.9428374299267