Year	annual %
1961	1.0846693837314496
1962	1.4801642631017395
1963	1.3804596536955367
1964	1.2829306445454371
1965	1.2711597964664756
1966	1.1760646945276736
1967	1.1683343462642966
1968	1.1126158373436457
1969	1.037757602617087
1970	1.0212028737541778
1971	0.7971412183151468
1972	-0.38186080629238595
1973	-0.5241214550826075
1974	-0.6594460525278204
1975	-0.7307048180725518
1976	-0.748640538425579
1977	-0.7621918392200592
1978	-0.7201575465360776
1979	-0.6410902787512482
1980	-0.6120399306759935
1981	-0.46365629120503893
1982	0.19273916007378228
1983	0.26681579681477186
1984	0.38579497177600613
1985	0.4585920949830072
1986	0.46271359500934595
1987	0.4432140894727669
1988	0.45210851137189606
1989	0.48982956917230897
1990	0.5279157553580403
1991	0.4372525727158613
1992	-0.004065588686864187
1993	-0.03550733145918464
1994	-0.02603770227809985
1995	-0.012245078656096834
1996	-0.022933699651054816
1997	-0.01612840732527634
1998	0.012305612653238743
1999	0.05820214924649684
2000	0.07665411009494372
2001	-0.08453449759757715
2002	-0.9794642669301955
2003	-0.9377511055861025
2004	-0.8446133113854103
2005	-0.7272948080625601
2006	-0.6890306737201186
2007	-0.6454985615873559
2008	-0.6473128556257162
2009	-0.6777348780095732
2010	-0.6550637943101002
2011	-0.6621707935297155
2012	-0.7639714141898115
2013	-0.8000199562632296
2014	-0.7438767159495269
2015	-0.6987020840168483
2016	-0.7499261037172936
2017	-0.8337081715209737
2018	-0.9183580044560408
2019	-0.9776241039158031
2020	-1.1815109768584438
2021	-1.640893733120003
2022	-0.4299721720398221
2023	-0.7550496878606299