Year	% change from 1990
1991	3.41166754463664
1992	5.46377569862662
1993	0.960374474122139
1994	1.58670686080908
1995	1.59643969064798
1996	2.3077074623588
1997	20.2824340071446
1998	14.5332305781371
1999	1.52526911027997
2000	-1.2363228276661
2001	-1.25122156766263
2002	10.8472468281306
2003	14.8406354040406
2004	19.3694255390076
2005	27.6120911836749
2006	34.0506781965701
2007	38.723597480309
2008	31.6565945979271
2009	32.0368210777739
2010	44.0187759081325
2011	54.9033892682104
2012	58.8861531245729