Year	% change from 1990
1991	15.2604237925072
1992	2.0269280678608
1993	12.2002023914497
1994	9.14094533321359
1995	7.11401726535279
1996	14.2271304593105
1997	-1.03232899037525
1998	-99.9999999999998
1999	-92.7674288390336
2000	-99.9999999999999
2001	-91.5620003122061
2002	-98.1918572097584
2003	-97.5891429463447
2004	-95.781000156103
2005	-92.1647145756195
2006	-92.7674288390336
2007	-89.7538575219645
2008	-88.5484289951368
2009	-92.1647145756187
2010	-98.1918572097604
2011	-98.1918572097591
2012	-98.1918572097562