Year	% change from 1990
1991	-10.120921727414
1992	-6.03061883876646
1993	-6.84696080183687
1994	-10.538888812506
1995	-8.43771053029574
1996	-7.89806552733973
1997	-2.96048561175808
1998	-3.18115573398595
1999	-14.2411285111298
2000	-18.9948166581882
2001	-4.09442756382936
2002	-10.6983762528701
2003	-7.95856076333988
2004	-5.58102924394706
2005	-15.0148488306546
2006	20.488636519874
2007	66.3069033313626
2008	59.3248594173209
2009	35.3818074326647
2010	12.958010806649
2011	14.0875909147155
2012	15.217171022782