Year	% change from 1990
1991	-19.0615086805852
1992	14.0482122054054
1993	-21.1971865653503
1994	-15.6694564960807
1995	-10.0258502109602
1996	-17.8863460302106
1997	-18.3351271772811
1998	-17.2610910748924
1999	-23.1215161636272
2000	-19.148502155953
2001	-14.9556380524931
2002	-18.8206797828897
2003	-20.5232732550964
2004	-18.7738593876801
2005	-15.5571637815701
2006	21.5559184168517
2007	82.3473717098718
2008	31.3498000428481
2009	22.7174466582122
2010	24.8850823756851
2011	26.1339331994419
2012	27.3827840231988