Year	% change from 1990
1991	-13.3770568275847
1992	32.8598164057511
1993	-22.4778004231664
1994	-20.4033964380717
1995	-12.7634099882824
1996	-21.8939196205941
1997	-25.4273036746617
1998	-16.1190863603801
1999	-29.1780464372386
2000	-25.8519139672685
2001	-33.4142643734971
2002	-7.66775327509706
2003	-3.88435672595809
2004	-9.49414397654259
2005	-3.73530440770585
2006	-3.60457819415675
2007	-2.88819410121564
2008	-2.6006408583281
2009	-2.53311193917954
2010	9.82468026500658
2011	10.9229270676567
2012	12.0211738703067