Year	% change from 1990
1991	50
1992	-82.1428571428571
1993	-357.142857142857
1994	89.2857142857144
1995	-89.2857142857143
1996	196.428571428572
1997	-74.9999999999999
1998	-35.7142857142857
1999	-532.142857142857
2000	228.571428571429
2001	3.57142857142867
2002	-374.999999999999
2003	-203.571428571429
2004	-396.428571428572
2005	-132.142857142857
2006	-210.714285714286
2007	-10.7142857142856
2008	-264.285714285714
2009	32.1428571428573
2010	-167.857142857143
2011	246.428571428571
2012	-310.714285714286