Year	% change from 1990
1991	-13.3644903442656
1992	-28.8022532639649
1993	-29.3835511038953
1994	-2.95196252859372
1995	-33.5529193704278
1996	-44.8399529013886
1997	-35.1637817902659
1998	-69.8319907462641
1999	-63.9636835817076
2000	-56.5218851201931
2001	-51.0686232301279
2002	-44.194024147548
2003	-40.2725979103017
2004	-35.1961836984167
2005	-29.749758368908
2006	-20.5720994327072
2007	-14.7694951768878
2008	-8.45164179465765
2009	-6.73299202401268
2010	-5.53304942760662
2011	-5.5330494276049
2012	-5.53304942760662