Year	annual %
1961	-2.0412998238084157
1962	0.46961781889027066
1963	-2.347739957703311
1964	6.144011731984648
1965	2.704143295700902
1966	-3.7299665294153357
1967	0.5765616859590921
1968	3.8662067597644096
1969	5.08033311302232
1970	-12.053144236097495
1971	6.16325390450838
1972	13.453569506027094
1973	20.45065593897897
1974	12.853755268261494
1975	11.933753130803211
1976	-1.6679084910595918
1977	8.509999101420206
1978	2.4812257243757756
1979	15.180729932336632
1980	12.740934927816937
1981	6.599081152250136
1982	3.8587619818704297
1983	-10.501504680519886
1984	-16.594747728471745
1985	-17.016659023482944
1986	8.025883098776319
1987	7.189361313860346
1988	7.785116692513228
1989	0.7929328697466218
1990	-0.920431045366584
1991	-6.777300043158277
1992	-14.12965834164929
1993	-3.791122192125627
1994	-3.8956725619350294
1995	3.0385382555345757
1996	8.984383328406281
1997	-2.8790481379557775
1998	-27.048649270359903
1999	8.006813296561788
2000	0.6279000210355861
2001	-0.1308902116604287
2002	2.7129502947473156
2003	8.801275607063118
2004	7.611524316085777
2005	5.136601106633947
2006	-2.0176787072880984
2007	0.8948868233037928
2008	1.3492225294901488
2009	95.40865966795462
2010	2.575536019615882
2011	2.1717610318293623
2012	4.85594551850788
2013	8.091140249834524
2014	0.6249744851524639
2015	0.3674196527710336
2016	2.0140947343402615
2017	3.0569050621757015
2018	200.76957757965414
2019	225.3946482073967
2020	604.9458642280177
2021	113.29498064657275
2022	264.5806078164128
2023	860.498796936762