Year	% change from 1990
1991	0.650325463878243
1992	3.08057621335613
1993	5.5127844138714
1994	-3.5529242059901
1995	-0.0847726872339583
1996	0.175718873893493
1997	0.815353643644534
1998	71.6202725675283
1999	-7.13746877489163
2000	-8.39761552349017
2001	-1.79332629654781
2002	-1.85671759552738
2003	-2.16554313996227
2004	-0.926326060147953
2005	-2.26130766763687
2006	-7.23383559519311
2007	-4.78792523741622
2008	-1.257737578091
2009	343.007307315296
2010	1.09090252044406
2011	2.1018115456485
2012	3.11272057085294