Year	% change from 1990
1991	-20.1048137935617
1992	-6.84196538320985
1993	-12.8824623766652
1994	-11.3949702667685
1995	-3.26484169961131
1996	-2.70256802099598
1997	0.246669545862277
1998	-8.95485199827247
1999	-7.3070662104249
2000	-10.4199196039999
2001	-18.3415833361018
2002	-5.87189794358992
2003	-24.1712069366466
2004	-16.0160792000266
2005	-21.7588286103452
2006	-21.3681439154845
2007	3.65934686555265
2008	37.5992491943789
2009	38.2885950632869
2010	27.8271485997143
2011	29.1054200857114
2012	30.3836915717086