Year	annual %
1961	-0.31435034006423057
1962	-0.5060798116681898
1963	-0.70179440699176
1964	-0.6372434769366443
1965	-0.6262687893606756
1966	-1.0576501749407692
1967	-1.4620223512480288
1968	-1.5497981096621898
1969	-1.3206983707112714
1970	-1.3314710663954894
1971	-1.183979943625157
1972	-1.2570971518493022
1973	-1.3734539244295974
1974	-1.198843185392359
1975	-1.4303537028570392
1976	-2.0467698944783668
1977	-2.385410950859456
1978	-2.3977107776350737
1979	-2.358367859945686
1980	-2.2597295244349542
1981	-1.740501952139895
1982	-0.20883417892626363
1983	-0.26130583419048775
1984	-0.1858579566859541
1985	-0.09587998816918883
1986	0.15787102963141963
1987	0.36272165061926687
1988	0.4340953142984249
1989	0.6851058629454969
1990	0.9584782038024455
1991	0.37453484216546956
1992	-0.8029190038276908
1993	-0.455184554264252
1994	-2.1444710278903147
1995	-0.9694923146073922
1996	1.7583369225722443
1997	1.5205069189438551
1998	0.5797677849574763
1999	-1.9471794108226768
2000	-3.406030150177718
2001	-2.863482532486863
2002	-2.0074024809716216
2003	-1.8510926226239215
2004	-1.6709990956672627
2005	-1.5629545771773654
2006	-1.5193439186094266
2007	-1.582488127550228
2008	-1.367773361949921
2009	-1.2949371836184709
2010	-1.346366641191795
2011	-0.9622281465447909
2012	-0.7383070007347797
2013	-0.7579190968318825
2014	-0.6623713647497862
2015	-0.5988362011314191
2016	-0.7482204197203208
2017	-0.4078618203872789
2018	-0.8481014068575309
2019	-0.7579122396472685
2020	-0.9880134665821239
2021	-1.0766334975682383
2022	-0.5266634951692346
2023	-0.10944223297828864