Year	% change from 1990
1991	-0.444987621823201
1992	0.561561843878278
1993	-0.716367396822415
1994	0.123468396477699
1995	4.73567108520572
1996	6.58142960107799
1997	8.38519632728525
1998	17.9837673529504
1999	11.4938422487543
2000	19.019147002601
2001	3.80182382250636
2002	1.42082667418759
2003	5.31039453479991
2004	-1.85766663532951
2005	19.8809188054276
2006	-2.12465920842343
2007	2.17166494312306
2008	-2.18231957632165
2009	-10.9498292124973
2010	-12.9560339694776
2011	-14.9307138340772
2012	-18.9115984556572