Year	% change from 1990
1991	-3.81367414891018
1992	0.105647382811913
1993	6.77541408668427
1994	-15.4395206043816
1995	-10.0359515294521
1996	-7.9955038987419
1997	-7.41267595787616
1998	-69.3951706971078
1999	-99.6308232719584
2000	-99.9450162319938
2001	-99.3244851359238
2002	-97.721449089351
2003	-92.2304322588196
2004	-99.5827360394249
2005	-99.8035547791498
2006	-99.8429035199823
2007	-99.2375856470372
2008	-99.6151136239566
2009	-95.4206376074834
2010	-99.858613167984
2011	-99.858613167984
2012	-99.8586131679841