Year	% change from 1990
1991	-14.9056066110992
1992	23.7757355560305
1993	-21.6342523331196
1994	-12.4428296644582
1995	-11.7468119968654
1996	-22.0759421528817
1997	-23.9709339602479
1998	-25.0936809859657
1999	-34.1800954619933
2000	-21.4468903611883
2001	-3.19298995511862
2002	-34.2940799316093
2003	-28.0572771959821
2004	-21.5145686400228
2005	-17.1874332122248
2006	-42.9720025646506
2007	1.14126950203033
2008	-37.1297285744817
2009	-35.0908313742253
2010	-33.3703782859585
2011	-32.7040820688181
2012	-32.0377858516777