Year	annual %
1961	0.769854344284138
1962	0.879431691508147
1963	0.925875063469895
1964	0.805140883333687
1965	0.85319043680184
1966	0.834560800634988
1967	0.457208526697556
1968	0.444717326246995
1969	0.792983738181533
1970	0.332661392813347
1971	0.183475313574861
1972	0.478481045657976
1973	0.314942451198579
1974	0.0389692231983959
1975	-0.372846359360899
1976	-0.428766874960255
1977	-0.226376662518719
1978	-0.0870314153537852
1979	0.0442074062989572
1980	0.207430406185115
1981	0.152308489359723
1982	-0.0951134365477742
1983	-0.262152572305171
1984	-0.345666402296961
1985	-0.223489901582361
1986	0.0457680639736539
1987	0.15361757528619
1988	0.390678960242038
1989	0.773336990610757
1990	0.861969448764933
1991	0.728605546561364
1992	0.760346946721127
1993	0.657391218087626
1994	0.346856648630233
1995	0.293904443716697
1996	0.289474899455448
1997	0.146313281561803
1998	0.0151436508552808
1999	0.0646345779052372
2000	0.135431600393084
2001	0.168225361337335
2002	0.168128319406931
2003	0.0553633035873241
2004	-0.021709727650009
2005	-0.0567782618352031
2006	-0.112797497644931
2007	-0.133718572600486
2008	-0.190142844695674
2009	-0.253383410163402
2010	-0.153198446937304
2011	-1.8537146287573
2012	0.187727800567293
2013	0.272900214681538
2014	0.416877359168292
2015	0.865702643950251
2016	0.807218538573871
2017	0.373724559895838
2018	0.300526701992065
2019	0.22551987421288
2020	0.0816931586494595
2021	0.0423270572552137
2022	0.720875455989295
2023	0.813269249881238