Year	annual %
1961	0.668382874410405
1962	0.676622989670017
1963	0.729553242231653
1964	0.822623699867765
1965	0.842108616866269
1966	0.77730440730804
1967	0.723778172767654
1968	0.631737252752781
1969	0.56605850865814
1970	0.528877031717835
1971	0.466452872314018
1972	0.567712498645759
1973	0.678187647585975
1974	0.654388935648374
1975	0.597247218554801
1976	0.498851058340731
1977	0.424722057350148
1978	0.356312950366128
1979	0.289147207649738
1980	0.20599975185947
1981	0.12005432007943
1982	0.0740818599916188
1983	0.0362946366697159
1984	0.0223509131041464
1985	0.0288999392122477
1986	0.00544928189677628
1987	0.0102051195547741
1988	0.0483205970471755
1989	0.0750090045352437
1990	0.0837085729587984
1991	0.0692311889532843
1992	0.0679244330808808
1993	0.061135853002924
1994	0.0203720739457194
1995	0.00158856230917393
1996	0.0281044080072756
1997	0.05290695026061
1998	0.0287740158774372
1999	0.0168208444553697
2000	0.045303631138613
2001	0.0561676014374784
2002	0.148916429490753
2003	0.444507312655549
2004	0.647182705470772
2005	0.491389107503214
2006	0.30055968851778
2007	0.504933687397673
2008	0.662469252941527
2009	0.455613449577732
2010	0.30759122234095
2011	0.171978290995717
2012	0.269541239520996
2013	1.1592511168095
2014	0.917504095962437
2015	-0.0963761331392095
2016	-0.169884073301448
2017	-0.14986111697397
2018	-0.190063640113791
2019	-1.15302842389952
2020	-0.487095091717782
2021	-0.515599998844444
2022	-0.326488181067642
2023	-0.304633382751779