Year	% change from 1990
1991	-8.93920829691592
1992	25.6688863634987
1993	-10.2081495641011
1994	0.618070175792718
1995	1.73330130618292
1996	-3.65503125674942
1997	-4.15895424625515
1998	95.8335772375775
1999	4.32911530379703
2000	-17.0090409415982
2001	59.8020237660295
2002	13.6082420122201
2003	18.056046167541
2004	40.3293817481576
2005	55.3279788782289
2006	-0.326091564008224
2007	-4.51098376506067
2008	346.000609592401
2009	88.2318388899766
2010	167.427378772862
2011	170.101652560591
2012	172.775926348319