Year	annual %
1961	0.958155881300658
1962	0.875259033561633
1963	0.810378324356217
1964	0.816094049550123
1965	0.731911035292208
1966	0.6547012021586
1967	0.629747480901394
1968	0.711964742744789
1969	0.76850966869777
1970	0.654727362472727
1971	0.54999651445838
1972	0.465213742153797
1973	0.52063344062239
1974	0.667967360708252
1975	0.482739307856323
1976	0.433163460713304
1977	0.519098880350645
1978	0.111804754635587
1979	0.135011572680936
1980	0.40248874474625
1981	0.333268825188891
1982	0.295812783296283
1983	0.249546600825385
1984	0.233972309730169
1985	-0.0014731135024134
1986	-0.0265197545262494
1987	0.147109292640267
1988	0.112372423824029
1989	-1.17003859875014
1990	-1.80375047906806
1991	-0.990425980099359
1992	-1.07385319076042
1993	-0.797665851516421
1994	-0.339586079485037
1995	-0.44539850047226
1996	-0.515729879636827
1997	-0.608797354537911
1998	-0.66730270106626
1999	-0.560648224779443
2000	-0.493896416633318
2001	-1.99063220438276
2002	-2.17069878030004
2003	-0.79211363763553
2004	-0.754796951273604
2005	-0.752977445493645
2006	-0.759505915531059
2007	-0.735282283991309
2008	-0.70192274454598
2009	-0.644281362547054
2010	-0.658275446635908
2011	-0.641228920515067
2012	-0.579220596364389
2013	-0.559647217410859
2014	-0.568389264052903
2015	-0.638069468160719
2016	-0.701382097841331
2017	-0.730443175298289
2018	-0.722080405222853
2019	-0.703905641117455
2020	-0.60024151846542
2021	-0.814846471528947
2022	-6.18725298204958
2023	-0.538593661595979