Year	% change from 1990
1991	-16.8410316054287
1992	11.7035953443702
1993	-14.2018571436654
1994	-10.7641071417822
1995	-3.86151773556664
1996	-12.6373553774796
1997	-11.8663086464534
1998	-10.9112696300564
1999	-7.58284614488564
2000	-8.6954894432555
2001	-1.73736903746798
2002	-8.70739554944732
2003	-10.2722240587919
2004	-2.54898507320042
2005	-4.01772804651863
2006	24.7159072809662
2007	71.5826188634911
2008	27.1877223354899
2009	21.8526022038253
2010	25.3946063301149
2011	26.648552393416
2012	27.9024984567172