Year	% change from 1990
1991	-1.9344372863223
1992	-16.2388073586529
1993	-23.9698118473382
1994	-27.5937856129497
1995	-30.4331697560295
1996	-32.7000720980534
1997	-29.7249808126148
1998	-28.9742307602856
1999	-25.5984138428262
2000	-23.8544549619741
2001	-19.2043630950997
2002	-14.7103286275787
2003	-9.05714352164103
2004	-8.28511291485452
2005	-4.14482405749237
2006	-6.66348815033607
2007	-4.4619392050608
2008	-1.61534525664579
2009	0.314905691094736
2010	-0.721445682256894
2011	-0.234040367144128
2012	0.253364947968993