Year	% change from 1990
1991	-11.1519023809716
1992	32.5304319028118
1993	7.43774282921785
1994	-6.50304386340444
1995	7.43774282921785
1996	-20.4439651806797
1997	-21.373413785026
1998	-74.4541643443914
1999	-74.4575299607165
2000	-89.4755831266845
2001	-94.2750866309642
2002	-84.0201883129646
2003	-90.0035137034434
2004	-67.9349655226264
2005	-86.5800491649233
2006	-88.6686160316422
2007	-68.6938446916153
2008	-89.801980597895
2009	-79.5552270714022
2010	-72.2304343260555
2011	-45.3055037250641
2012	-45.3055037250641