Year	annual %
1961	0.7140030899615502
1962	0.6437961876245711
1963	0.5879490106621861
1964	0.5137386599932368
1965	0.41204863728236196
1966	0.22863074512353612
1967	0.055710581010704016
1968	-0.028621929028577447
1969	-0.006911579420069088
1970	0.039268229355721364
1971	0.13650166052085352
1972	0.09855157945464124
1973	-0.038151004372169076
1974	-0.05900200106851996
1975	-0.20010151745705876
1976	-0.22582794631361494
1977	-0.27233506382198974
1978	-0.3814072461754465
1979	-0.11490929113207313
1980	0.12763219525105876
1981	0.10407852132671312
1982	0.12320002649648162
1983	0.15004338757982225
1984	0.12192637655512441
1985	0.13933653897088877
1986	0.1475579984830812
1987	0.079443265800766
1988	0.23832463727492792
1989	0.10852277364964104
1990	0.5058917215710416
1991	1.233631681760632
1992	1.3040693008351665
1993	1.293121563917717
1994	-1.015394524968311
1995	-3.238586238449003
1996	-3.108816842105676
1997	-2.69161462855454
1998	-1.9609398631041057
1999	-1.5446397627396904
2000	-1.4344496139554792
2001	-1.0457851861850909
2002	-0.9876327431111869
2003	-1.4966564227090557
2004	-1.4452385141308335
2005	-1.465990477638529
2006	-1.406100222561285
2007	-1.3663417136781737
2008	-1.1535045197590772
2009	-1.7429393999554712
2010	-1.5915983573953685
2011	-1.6695046547008783
2012	-1.6115246617516625
2013	-1.179006617682674
2014	-0.8388768947454366
2015	-0.7339361393749163
2016	-0.8585309924961874
2017	-0.9254797456461841
2018	-1.0037037884117437
2019	-1.1603130621263646
2020	-0.9471712754531125
2021	-1.4184057676828536
2022	-0.959845541646402
2023	0.19201688978488463