Year	% change from 1990
1991	-0.651205715678183
1992	-0.797761566764987
1993	-0.541288827363062
1994	2.80288065203529
1995	-0.496354250378916
1996	-1.9918115374711
1997	-0.757493272775345
1998	-3.83620309737496
1999	-10.2542432930823
2000	-15.3156049144601
2001	-22.5953520364869
2002	-26.1005946918438
2003	-25.8157786038827
2004	-25.0320158861012
2005	-25.2060509592668
2006	-25.2162476517363
2007	-30.0921677304064
2008	-46.812669476806
2009	-47.6742035778293
2010	-48.6841946081964
2011	-49.4662829453753
2012	-50.2483712825542