Year	% change from 1990
1991	-5.71652925009816
1992	1.05221829603455
1993	11.0807627415401
1994	-21.8951814004818
1995	-11.6036884941479
1996	-7.46485000901962
1997	-5.2818896635151
1998	-23.0620019312599
1999	47.7447765786988
2000	-22.409618098664
2001	-23.6112437525865
2002	-12.3838325958467
2003	-28.6972484852344
2004	91.3940088498392
2005	4.59194176508664
2006	-37.4403378643661
2007	-38.7877630280457
2008	-39.8841244070926
2009	-38.2058383471811
2010	-34.6769384225215
2011	-34.0237078067467
2012	-33.3704771909719