Year	% change from 1990
1991	-15.5790673072652
1992	31.1525273530402
1993	-21.862351291167
1994	-10.3315325767385
1995	-9.66118200931295
1996	-22.2395014339725
1997	-25.9139445063758
1998	-62.6280380864975
1999	-69.7233333696714
2000	-74.2821873121713
2001	-64.0967309701254
2002	-73.3518013256982
2003	-55.6481047634625
2004	-59.6107295950711
2005	-52.8452911973641
2006	-51.1552282288976
2007	-66.0082464449333
2008	-64.736221318639
2009	-59.7011721174052
2010	-57.8447785355155
2011	-57.8447785355155
2012	-57.8447785355157