Year	% change from 1990
1991	-5.42184989257406
1992	19.0893169877408
1993	1.96676717159863
1994	-8.02895986422807
1995	5.48684709408345
1996	-5.28643905609619
1997	-1.59905152231872
1998	-5.98636262420182
1999	-5.74322494448155
2000	-1.80908877534439
2001	-16.1415735341025
2002	-28.2454968374047
2003	-33.2003298006151
2004	-34.3666684721445
2005	-31.8702944734324
2006	-29.1873544333508
2007	-26.0963764060159
2008	-24.1819680911887
2009	-21.7602205090244
2010	-32.4733240652139
2011	-31.798057305866
2012	-31.1227905465181