Year	annual %
1961	1.0909509053906
1962	1.09267888300245
1963	1.06426044971838
1964	1.12266120572376
1965	1.1197366100284
1966	1.07828712662309
1967	1.03239172472143
1968	0.955030634173601
1969	0.892677738277982
1970	0.876601787959927
1971	0.887521825523345
1972	0.863681327265155
1973	0.786768956600069
1974	0.679243152251463
1975	0.560965240039259
1976	0.465862030428737
1977	0.472195041064927
1978	0.486085799487712
1979	0.489529653817548
1980	0.544610151588893
1981	0.576802074833317
1982	0.581753882537421
1983	0.534621481991409
1984	0.504230412309954
1985	0.520173569535788
1986	0.521885253750226
1987	0.531802397355722
1988	0.530774426304589
1989	0.509604918780753
1990	0.480817154251958
1991	0.879707182999065
1992	0.498037271076005
1993	0.434438546950065
1994	0.373912429696602
1995	0.363543327562364
1996	0.356871556292957
1997	0.35649796330582
1998	0.370907432047304
1999	0.516384251921851
2000	0.686782586857032
2001	0.729430789508821
2002	0.728746206873967
2003	0.710448089652969
2004	0.735098067563242
2005	0.749918325024531
2006	0.693706612114177
2007	0.616493932446319
2008	0.557563757631959
2009	0.513102876178491
2010	0.492821125690305
2011	0.482694781758347
2012	0.483953489768883
2013	0.516539661307546
2014	0.46824634207038
2015	0.355569240058298
2016	0.263868788565368
2017	0.29020211635109
2018	0.358494581816163
2019	0.341374143157509
2020	0.271350507669993
2021	0.285508618638434
2022	0.305015246719983
2023	0.292221085514903