Year	annual %
1961	-0.39861661000819026
1962	-0.44462631758398174
1963	-0.6345612098560736
1964	-0.6541501584236045
1965	-0.6662917001759183
1966	-0.7323053278842337
1967	-0.838753859478075
1968	-0.7721713891816222
1969	-0.5773767633642279
1970	-0.6941992206001402
1971	-0.6444984834580936
1972	-0.3623280172764538
1973	-0.35198541285423346
1974	-0.4003122347019854
1975	-0.31871068939381075
1976	-0.2895084707392783
1977	-0.39178400456567886
1978	-0.3893644807678385
1979	-0.3873934987861958
1980	-0.36842799352938016
1981	-0.4091835713193319
1982	-0.23498454242256628
1983	-0.1653471572781342
1984	-0.07349645632821478
1985	-0.000858759890590477
1986	-0.06640412471324453
1987	-0.30690917629583225
1988	-0.22329169924526582
1989	0.03656177598030297
1990	-0.06840360255129951
1991	-0.1143361873336346
1992	-0.1300936440835727
1993	-0.16460868172831056
1994	-0.33094483973627575
1995	-0.3952816335449256
1996	-0.407486647252
1997	-0.4017127031994079
1998	-0.41527998898629903
1999	-0.3984096467602001
2000	-0.39144602512693893
2001	-0.4654835627050602
2002	-0.41912417193194074
2003	-0.4013922201490203
2004	-0.38377893663279394
2005	-0.4137335524944348
2006	-0.45333280786040575
2007	-0.3773500076898415
2008	-0.40557485139606797
2009	-0.5795924277099829
2010	-0.6880132504092558
2011	-1.1246982816794286
2012	-0.65872446184936
2013	-0.5130398419788946
2014	-0.4950066763001786
2015	-0.6004862685171446
2016	-0.6270545535611944
2017	-0.7369860646437871
2018	-0.7407443320410039
2019	-0.93295472031636
2020	-0.8927061135527907
2021	-1.078342811701944
2022	-0.6859814179838821
2023	-0.5339887995402819