Year	% change from 1990
1991	-23.5659574052078
1992	-44.494791743043
1993	-39.1970827895336
1994	-33.9262583158584
1995	-31.251496976718
1996	-29.6222974987658
1997	-28.5166121644939
1998	-31.0163799803499
1999	-33.3885687191745
2000	-31.8590862209709
2001	-29.6887754852649
2002	-29.3866916936733
2003	-29.0797198148392
2004	-28.9609392948445
2005	-29.4287292439595
2006	-29.5949242102073
2007	-29.889675870935
2008	-30.1150166928179
2009	-30.2259762732245
2010	-30.5529893097532
2011	-29.8585192028507
2012	-29.1640490959483