Year	% change from 1990
1991	-4.43039088578485
1992	8.97635208466552
1993	-3.7539818959398
1994	-1.43612246933282
1995	0.256953284954142
1996	-2.3536451580732
1997	-2.89688429475712
1998	14.5536463313759
1999	11.7758522577277
2000	4.94957731771275
2001	1.94826908523456
2002	-8.38970074915377
2003	0.362550525346261
2004	-4.49081597334258
2005	12.7250541185857
2006	-0.929842366786149
2007	4.5477211528872
2008	9.92438064285253
2009	12.7244674672502
2010	15.430690077966
2011	16.5849969787456
2012	17.7393038795253