Year	% change from 1990
1991	-19.8758325349155
1992	12.7077700103762
1993	-16.2180458738093
1994	-12.6388692260888
1995	-5.06038252673939
1996	-14.3386844801567
1997	-14.3330364558046
1998	-18.1062633744282
1999	-15.8043681819606
2000	-16.9727047579256
2001	-9.57301559714344
2002	-17.516691952731
2003	-21.4357271949838
2004	-15.9336048277191
2005	-17.0172974432244
2006	24.8981911119031
2007	93.3611556662407
2008	31.7865072192484
2009	21.5968169470103
2010	25.3537612122807
2011	26.6072988244035
2012	27.8608364365263