Year	% change from 1990
1991	-14.0389480414779
1992	21.9487920825109
1993	-20.963275972311
1994	-12.3299324455812
1995	-7.02538155736566
1996	-10.7863278752328
1997	-9.58077340079508
1998	-5.57421256011786
1999	-13.7295321230992
2000	11.8901337188291
2001	27.0338606099358
2002	-16.1849823468906
2003	-8.68157682577632
2004	1.98576631175114
2005	6.90584081621306
2006	-8.5666231130633
2007	21.3014650690834
2008	-7.39039782046648
2009	6.09602179533513
2010	-2.47880236857468
2011	-1.50359039226043
2012	-0.528378415946185