Year	annual %
1961	0.027093752946271366
1962	1.287659801559272
1963	2.3127896010103086
1964	5.76108999096914
1965	3.8176976641881737
1966	3.1943220250537934
1967	1.7956436994592337
1968	3.953946892780678
1969	5.422097140510033
1970	5.23269484235216
1971	3.6905183186602812
1972	4.321672617560026
1973	4.753784030121764
1974	3.577335666508219
1975	2.6351886467265615
1976	4.284737205405037
1977	2.7306380255193403
1978	2.2273520897687575
1979	2.9373810542809196
1980	3.1823599691273046
1981	0.3308921156476572
1982	0.9473941393922871
1983	-0.1641176005406635
1984	3.016250077611616
1985	2.572201461773574
1986	1.948412852421086
1987	2.9320336895948884
1988	2.135604034240046
1989	1.381169463472375
1990	0.19567180320743205
1991	-0.533540781135315
1992	-0.012824072859217495
1993	2.1648997816382973
1994	2.114175722889172
1995	2.5168275506869833
1996	4.021620883092012
1997	3.9262738674665343
1998	1.3076160491851425
1999	2.4367991433887397
2000	4.617322499240345
2001	2.4116640880001796
2002	3.393526503158739
2003	4.776950468668616
2004	6.466178543506047
2005	6.0408384262498345
2006	7.1854468492218615
2007	7.878238685210519
2008	4.850169903134187
2009	1.7550827087960954
2010	6.750750325188349
2011	5.299983747316304
2012	4.329011947071052
2013	4.0904746235194125
2014	3.68697707714243
2015	3.3480225393077774
2016	3.546731793571084
2017	4.259308569619449
2018	4.029072721959892
2019	3.1557603699082506
2020	-2.094942463696114
2021	7.016348393755848
2022	3.2287663848512125
2023	3.9250263957983265