Year	% change from 1990
1991	135.866384484479
1992	114.524347855431
1993	14.5627542009954
1994	112.031952793941
1995	-6.7877993163992
1996	-13.1113478698941
1997	506.405664212839
1998	-7.24915755118569
1999	-25.729519695706
2000	-16.3972598116964
2001	-17.1228022812405
2002	-13.9998360900733
2003	-27.2471327815032
2004	-14.1982956581546
2005	-28.5870160840633
2006	-31.1758287494797
2007	-35.0845984126449
2008	-38.2575410618471
2009	-35.67387066864
2010	-37.282759086154
2011	-36.6555866770155
2012	-36.028414267877