Year	annual %
1973	0.8735563270916771
1974	5.140901137382173
1975	0.662398763777432
1976	2.662075640766261
1977	-3.0477576725893556
1978	7.152348935906289
1979	3.9180796932666766
1980	-2.4322887342810304
1981	-0.7975637621009781
1982	3.592710560818773
1983	2.9168307866459458
1984	3.0494083750894845
1985	0.7943537745670852
1986	-2.3592136355766513
1987	-3.5156077190936514
1988	-4.825451878540292
1989	2.2112746949603803
1990	-1.7009561448528245
1991	-5.147029363784725
1992	0.7279213260636368
1993	-3.334436670261141
1994	-3.490517478065698
1995	0.9829236765442175
1996	2.1733288686235426
1997	0.1623341353750476
1998	3.97279867933797
1999	1.3173998333227246
2000	1.4024183455312738
2001	3.6613103349971965
2002	3.2260424602616524
2003	5.156029024468722
2004	2.421979961954264
2005	3.157629967672875
2006	1.9232343926728532
2007	4.131827349139527
2008	1.2977826019096312
2009	-0.5881394886810654
2010	3.5840238340532267
2011	0.2477309116763422
2012	0.2184529721178592
2013	-0.14165335678696067
2014	1.8258413433731846
2015	1.1389723121070432
2016	3.3183186475012008
2017	-0.980296974643295
2018	-1.5400687839177607
2019	-0.801525687005963
2020	-6.212850191162559
2021	1.6714488148835756
2022	1.2378152489622778
2023	3.650201690790638