Year	annual %
1961	0.453239643988489
1962	0.322661285045066
1963	0.260182925848219
1964	0.31560144966103
1965	0.277287713495036
1966	0.302244758289581
1967	0.372155583052453
1968	0.3830621867148
1969	0.417504517274341
1970	0.379781402332206
1971	0.286176098681919
1972	0.298102515341836
1973	0.32227702792653
1974	0.446325661927294
1975	0.588081809047071
1976	0.550182988827917
1977	0.464581042574049
1978	0.344923733135305
1979	0.180747381922393
1980	0.0650937293271125
1981	0.00677777171213337
1982	-0.0589521155113363
1983	-0.150240752751468
1984	-0.20009784947921
1985	-0.181847163431744
1986	-0.170579145153423
1987	-0.167798788201122
1988	-0.153272935554963
1989	-1.08898389340205
1990	-1.03311729690015
1991	-0.00566818338922841
1992	-0.0391365832684134
1993	-0.114035594392761
1994	-0.13688310430324
1995	-0.139220003601429
1996	-0.171771608629025
1997	-0.201458936335808
1998	-0.232679336866497
1999	-0.283260610485194
2000	-0.259764908288633
2001	-0.229379183308447
2002	-0.28475137719698
2003	-0.286433268128688
2004	-0.221439378654807
2005	-0.198878843237103
2006	-0.155716484651578
2007	-0.154915158060948
2008	-0.17509736747488
2009	-0.154908813950621
2010	-0.226013875689698
2011	-0.283360435946948
2012	-0.516437606548041
2013	-0.27536875707442
2014	-0.269378767165116
2015	-0.237855001984657
2016	-0.295110604845478
2017	-0.265860932255517
2018	-0.126786951652838
2019	-0.0452557101106228
2020	-0.215067837129585
2021	-0.413751024472153
2022	-0.690781547965424
2023	-0.552969965032594