Year	% change from 1990
1991	-1.57425316999785
1992	0.946820450366537
1993	3.67106844648215
1994	1.47873534398357
1995	4.64913118577421
1996	7.35208666650746
1997	8.02628332179161
1998	8.07284826197354
1999	3.64360707150306
2000	9.68331860766849
2001	8.52775190836656
2002	10.2797080338451
2003	11.9218186594073
2004	14.4214007689185
2005	14.9107306317708
2006	18.7827845038247
2007	22.5806130652466
2008	25.4746041980084
2009	33.7448559670782
2010	32.6225215114104
2011	33.9487467265245
2012	35.2749719416386