Year	annual %
1991	-5.05354730298502
1992	-11.081465910393
1993	-5.54887910657813
1994	-10.5098465520591
1995	-1.58656870075015
1996	-0.680188687066661
1997	2.10575384293463
1998	-2.71111488640696
1999	1.87713886586731
2000	8.39615841003798
2001	3.21179996207574
2002	5.57916508134775
2003	5.91839088247323
2004	8.7193407280642
2005	6.77218328019438
2006	7.40169890585523
2007	7.66541663623595
2008	3.71819202934861
2009	-6.26809618306864
2010	4.46188732996775
2011	5.09629839117987
2012	3.19356181509274
2013	3.26385005478463
2014	1.76197243810657
2015	0.60061510093314
2016	0.965101055907795
2017	3.28493354283084
2018	2.12552921285329