Year	% change from 1990
1991	-18.5722646672283
1992	-6.34761804230422
1993	-12.2805025136431
1994	-12.3526250920791
1995	-3.12269457222389
1996	-4.71744448530572
1997	-2.15089093864568
1998	-83.598645902877
1999	-84.0229517091798
2000	-80.6553054152137
2001	-81.2193964749312
2002	-81.1623986722155
2003	-85.277886939266
2004	-84.9332168221882
2005	-82.7315166239419
2006	-82.0968088930843
2007	-81.69550496659
2008	-80.4979492722644
2009	-79.8389536787711
2010	-78.6300103324895
2011	-78.3000317656556
2012	-77.9881555280011