Year	% change from 1990
1991	1.81485478346548
1992	3.4729977009337
1993	5.06357622108571
1994	6.07798057523576
1995	-72.1220851123727
1996	-71.1298268662319
1997	-70.1265894055271
1998	-69.1310467789612
1999	-68.1755735935814
2000	-67.2824097968376
2001	-67.1317974944869
2002	-67.0780274949561
2003	-67.1124665696993
2004	-67.2211326420495
2005	-67.3960493595458
2006	-66.4726692628912
2007	-65.5809130577582
2008	-64.6891568526252
2009	-63.7868906301319
2010	-62.8845305681978
2011	-62.5133758738798
2012	-62.1422211795618