Year	% change from 1990
1991	-60
1992	-100
1993	-200
1994	-180
1995	-19.9999999999999
1996	-100
1997	-60
1998	-100
1999	-140
2000	-19.9999999999999
2001	-220
2002	-180
2003	-180
2004	-100
2005	-140
2006	-100
2007	-19.9999999999999
2008	-19.9999999999999
2009	-940.000000000001
2010	140.000000000001
2011	-620.000000000001
2012	-620.000000000001