Year	annual %
1961	0.92901553460921
1962	0.920032286529714
1963	0.877043251659206
1964	0.993696426233108
1965	1.08584474209375
1966	1.02402785233795
1967	1.23066581815604
1968	1.30765578581186
1969	0.985430559578259
1970	1.11063144876766
1971	1.20508483293956
1972	1.10413658971046
1973	1.1049376041377
1974	1.09260761038069
1975	1.08129360308283
1976	1.05685172472306
1977	1.02913180859153
1978	0.96287655038845
1979	0.88158450134584
1980	0.802963561910836
1981	0.710878010512537
1982	0.600390137240396
1983	0.487183210573659
1984	0.415255702373565
1985	0.362365564916491
1986	0.298782366814399
1987	0.259329063201825
1988	0.212064999269184
1989	0.156776197618463
1990	0.101828842607043
1991	0.254527424551043
1992	0.48975790543999
1993	0.518543520866421
1994	0.476100555169168
1995	0.441365749537872
1996	0.416515798212804
1997	0.41911951720212
1998	0.413847481113965
1999	0.405323025522848
2000	0.447137014535835
2001	0.694068084334464
2002	1.41259540475782
2003	1.80845446818345
2004	1.7254663034483
2005	1.68934904712031
2006	1.69035255626114
2007	1.85108130845179
2008	1.59533049906372
2009	0.88573598057307
2010	0.460408305051304
2011	0.355338396471428
2012	0.0649259625617232
2013	-0.327669039579687
2014	-0.298951059088036
2015	-0.077588861590047
2016	0.0844301500680736
2017	0.234587922968563
2018	0.437982993728698
2019	0.717715637103499
2020	0.488502131838585
2021	0.105799194264084
2022	0.761701877296859
2023	1.23763541014937