Year	annual %
1961	1.90640928686916
1962	1.85259091659261
1963	1.78529046080254
1964	1.7085753627376
1965	1.62746775192224
1966	1.53994643368749
1967	1.44001514424557
1968	1.34391107993173
1969	1.26269402665095
1970	1.19129738047381
1971	1.13830860965427
1972	1.09915414255334
1973	1.05180709188422
1974	1.0070717817208
1975	0.975054672938791
1976	0.939091145183215
1977	0.894427688649094
1978	0.850876368053154
1979	0.81933371228901
1980	0.820271005932465
1981	0.857067833303503
1982	0.894085297839202
1983	0.896945337134023
1984	0.856054521990204
1985	0.772003706403552
1986	0.683624210503319
1987	0.608246542930588
1988	0.517094199743553
1989	0.400467858883652
1990	0.291458993205271
1991	0.179532623292175
1992	-5.16526304355897
1993	-8.10178118268825
1994	-4.68985898879183
1995	-0.314208288820264
1996	4.10656532533756
1997	3.51986603877969
1998	1.64924947318851
1999	0.91811638851753
2000	0.632139635256837
2001	0.372139796167984
2002	0.0828752170247773
2003	-0.349623550237269
2004	-0.982327609602979
2005	-1.17913407901923
2006	-0.888359591107583
2007	-1.24500087046096
2008	-1.62201585384377
2009	-1.67861781190568
2010	-1.7340375845377
2011	-1.79893469913603
2012	-1.8542587666769
2013	-1.55832890226336
2014	-1.29347782804997
2015	-1.31760658922995
2016	-1.23730578353764
2017	-1.18362667966933
2018	-1.16659481128762
2019	-1.16608133465016
2020	-1.26677102311527
2021	-1.44065259604193
2022	-1.15051398459433
2023	-0.70384174302478