Year	% change from 1990
1991	-5.83721022600275
1992	-13.5828734708004
1993	-17.19955361316
1994	-24.8846546700271
1995	-26.4648061600025
1996	-26.0324529520836
1997	-31.2847144668672
1998	-18.2000724510361
1999	-33.1533421671816
2000	-28.4374547926421
2001	-30.5121158904636
2002	-24.1669246267562
2003	-15.4729646022718
2004	-31.5389227187634
2005	-29.7444332727276
2006	-25.0407106662981
2007	-26.5374330142927
2008	-20.4008275054666
2009	-29.3663195870376
2010	-26.6609513619555
2011	-23.1836913559305
2012	-22.6779888441305