Year	annual %
1961	0.006128821675702056
1962	3.409601073787627
1963	4.5892856984935975
1964	1.7961057126675968
1965	2.7201183005107055
1966	4.913159200272403
1967	4.059722794742697
1968	6.205674927085013
1969	2.218637942306586
1970	2.9455548126188376
1971	2.7646690052471854
1972	5.590549380339056
1973	3.400075940398878
1974	0.649968717919009
1975	4.925063968487137
1976	2.2890457272668954
1977	2.6314015833728064
1978	-0.22074144767933035
1979	-2.084218351044825
1980	-3.533238559421605
1981	-1.8948079764950023
1982	-5.993135351765986
1983	-6.072428328704802
1984	-2.2967000067993695
1985	-3.735115385560988
1986	-4.610740654492233
1987	0.3185057127102766
1988	0.7521420463060764
1989	1.6234563685321461
1990	2.46741157451369
1991	3.105994961091781
1992	-0.40897062111713467
1993	2.195240038301364
1994	2.637063079113261
1995	2.7059284638291956
1996	2.429446092686277
1997	3.0421419142888624
1998	3.136997547889095
1999	-1.383429233373235
2000	0.6753611250432243
2001	-0.09998684287883464
2002	0.7065904256671445
2003	0.9332728810131243
2004	2.37720837843311
2005	2.6274119485262446
2006	2.9819677146674763
2007	2.750186680263326
2008	4.3281711362999715
2009	1.6014564553965727
2010	2.375335575972514
2011	3.4536737732665728
2012	3.3971964398801617
2013	5.069795424466179
2014	3.7831870593498422
2015	3.2205388234180248
2016	2.663074213525391
2017	2.623303335618573
2018	2.6847973391909647
2019	0.73769715524476
2020	-9.952404844555346
2021	4.852474889254893
2022	2.3797982635037016
2023	1.0835123365967831