Year	% change from 1990
1991	1.23717714510554
1992	-11.1115482982491
1993	-3.68455074337427
1994	0.504201680672267
1995	4.34838818470531
1996	5.25280346252213
1997	4.11174503246114
1998	2.82735167645654
1999	3.9723447907591
2000	-10.0643601922374
2001	-15.4492566257272
2002	-15.3385233692139
2003	-12.9934515612265
2004	-12.3981900452489
2005	-12.6618138894354
2006	-17.9427222393974
2007	-22.9858632416177
2008	-29.156010230179
2009	-38.9185239313117
2010	-40.1787470841179
2011	-40.1251003532687
2012	-40.0714536224192