Year	annual %
1961	-0.2157716470185136
1962	-0.2588471368634515
1963	-0.3722585962660929
1964	-0.4160610534559055
1965	-0.4859913452246616
1966	-0.5393517531189502
1967	-0.6312505102232535
1968	-0.6685685773428958
1969	-0.6304134016394585
1970	-0.6112152033889089
1971	-0.21730328783814912
1972	-0.29980911760758033
1973	-0.3478783543225177
1974	-0.389119828261002
1975	-0.37038103787790533
1976	-0.23185663704352066
1977	-0.22623843044566172
1978	-0.23798994754157832
1979	-0.222472436431147
1980	-0.26382517293296814
1981	-0.3330982907486941
1982	-0.24152371601088873
1983	-0.23671330917989053
1984	-0.23506599266727335
1985	-0.21765801458714407
1986	-0.30626076129044577
1987	-0.42949263513770575
1988	-0.3728435322440333
1989	-0.1962680561880319
1990	-0.20662212180488382
1991	-0.24609117346705034
1992	-0.29262873308225323
1993	-0.36704860869403433
1994	-0.4579747273300967
1995	-0.4855382002408106
1996	-0.4072947036641068
1997	-0.3899670154295194
1998	-0.43914597128664923
1999	-0.46071155826774657
2000	-0.4141446725711404
2001	-0.9967803648015092
2002	-1.2606027760583771
2003	-1.2207569445708941
2004	-1.1782670205447516
2005	-1.152222002037476
2006	-0.9990737249417805
2007	-0.8956306723145957
2008	-0.8476157308233638
2009	-0.8947760503759667
2010	-0.9057048418017217
2011	-0.7702205926484851
2012	-0.457814179652118
2013	-0.4131356128773689
2014	-0.4047396945383497
2015	-0.4442458207805373
2016	-0.46059040883295665
2017	-0.5608069234378092
2018	-0.6129876348638703
2019	-0.7401921747193398
2020	-0.6535089414507951
2021	-1.107277726597573
2022	-1.6128581492010028
2023	-0.7115592265451625