Year	% change from 1990
1991	-6.02351715467015
1992	19.5814817925227
1993	-16.8087651972401
1994	-9.75994780997866
1995	-8.77274337187947
1996	-18.9297150848392
1997	-18.2497112387462
1998	-19.1853098721661
1999	12.8269635460977
2000	37.5586803032571
2001	22.9569152386829
2002	38.6236585837858
2003	38.6224414657509
2004	47.9613881474612
2005	50.6305279979747
2006	-0.681829523145328
2007	16.7019022337767
2008	10.9028216447403
2009	13.288738128535
2010	17.1008735256136
2011	18.2718822608698
2012	19.4428909961259