Year	% change from 1990
1991	-9.19702808029131
1992	18.7632404466693
1993	-12.074873574299
1994	-5.19896137578697
1995	-3.79013569581838
1996	-10.8315734802303
1997	-12.7041239377892
1998	194.656137174323
1999	88.1246170916622
2000	74.1087608031296
2001	172.582712846979
2002	74.8830872479984
2003	238.753028483621
2004	81.5481325441535
2005	230.522901205504
2006	121.832823001623
2007	177.716326433023
2008	95.3708105035665
2009	144.005235165604
2010	142.447076804572
2011	143.181623297616
2012	143.897975000072