Year	% change from 1990
1991	-200
1992	10
1993	-120
1994	-30.0000000000001
1995	140
1996	-100
1997	30.0000000000001
1998	-230
1999	-240
2000	-190
2001	40.0000000000001
2002	100
2003	-320
2004	20.0000000000001
2005	-300
2006	-160
2007	-699.999999999999
2008	540
2009	180
2010	60.0000000000002
2011	419.999999999999
2012	-539.999999999999