Year	% change from 1990
1991	-5.1090603687834
1992	0.270613574860556
1993	8.82652848177568
1994	-20.9959226117914
1995	-13.7233006504694
1996	-10.4941223378103
1997	-9.73023503913727
1998	-90.5844256432292
1999	-97.28578221332
2000	-97.0769962297292
2001	-100
2002	-94.4503338555228
2003	-96.7267745798351
2004	-94.5985045535549
2005	-97.9794904813797
2006	-97.8313197833475
2007	-98.5856433369658
2008	-87.4728409845539
2009	-90.3015543106224
2010	-99.797949048138
2011	-99.797949048138
2012	-99.797949048138