Year	% change from 1990
1991	2.3875582936659
1992	-24.7599830418426
1993	-38.0490605932135
1994	-44.2940630349735
1995	-44.6927943930751
1996	-35.5799314160598
1997	-33.8503066957889
1998	-25.0143554021927
1999	-24.6263570550765
2000	-20.8284811179504
2001	-36.3323154861249
2002	-29.8860690883917
2003	-29.9746164290199
2004	-26.8276976081485
2005	-22.9391277281972
2006	-23.6319435872943
2007	-11.8395844178146
2008	-14.6360704300181
2009	-33.219205649857
2010	-20.4184800983144
2011	-19.1943366348886
2012	-17.9701931714628