Year	% change from 1990
1991	-32.0245861274417
1992	-13.1010499565305
1993	-23.24799523355
1994	-24.7569657654591
1995	-10.9081181641872
1996	-14.2367296316337
1997	-12.3137345500751
1998	-48.3100381194409
1999	-43.1152763507475
2000	-38.6191886091572
2001	-17.8991141941721
2002	-47.908172881088
2003	-40.3245320185065
2004	-44.4673917669303
2005	-40.7968604658232
2006	110.313527841783
2007	238.741389687688
2008	125.091954791681
2009	70.102077418335
2010	93.5251667345562
2011	95.4604184019017
2012	97.3956700692473