Year	% change from 1990
1991	-3.6554638258409
1992	-2.37263864315194
1993	-3.38401656784115
1994	-5.98032114984041
1995	-1.35580888477544
1996	5.34588697000118
1997	-1.7643810811919
1998	10.0427782737736
1999	0.643627280602121
2000	-0.921809825617148
2001	-0.274497600497647
2002	3.56390631496251
2003	6.51372400259087
2004	7.69929020874189
2005	11.4346369526601
2006	5.49921279263172
2007	7.72724416072801
2008	9.21113070351913
2009	11.935634693971
2010	18.7885512288659
2011	20.622162920298
2012	23.3790497883642