Year	% change from 1990
1991	2.7648607150691
1992	-6.17898661987277
1993	-2.94417635446369
1994	0.412371134020617
1995	-0.0921254661109816
1996	3.01656064926519
1997	6.98947137530161
1998	9.52950208379031
1999	11.796994955034
2000	15.1963149813556
2001	17.4407764860715
2002	19.4735687650801
2003	21.7564158806756
2004	20.9344154419829
2005	21.7893178328581
2006	22.1084667690283
2007	23.0565913577539
2008	24.0551656064927
2009	26.7937047598158
2010	29.3485413467866
2011	30.6420267602544
2012	31.9355121737223