Year	annual %
1961	1.3977436707753839
1962	5.360116108939778
1963	-1.5994540152080532
1964	-2.5109396034681026
1965	0.6062277863257464
1966	-1.8070923919983954
1967	0.7672013822900965
1968	-0.4572188665381134
1969	6.881310223792127
1970	1.8596564785553653
1971	-2.2476263724496732
1972	1.149616094832723
1973	-8.38088300800841
1974	4.961852582538668
1975	9.010267305504541
1976	2.98076526952687
1977	2.2346248491377168
1978	-0.4696341880320034
1979	-21.44108768891219
1980	-6.047670747330059
1981	1.0429181025977812
1982	5.346608999369124
1983	15.678717778733755
1984	2.0488989108163054
1985	21.79277353039197
1986	-4.08166751727336
1987	-2.3888084973240353
1988	15.482359070013274
1989	4.884735102510376
1990	-4.178472372776767
1991	8.535137166471742
1992	8.001443346319263
1993	-15.709837045207735
1994	10.136887633514718
1995	1.236549316864938
1996	2.2144730346744126
1997	5.653392327883552
1998	6.951579913540073
1999	-0.6828502172977409
2000	-0.8796810254448388
2001	11.658134654294017
2002	8.491209818980565
2003	14.72166701210331
2004	33.62937185246585
2005	17.3325337350837
2006	0.648262014094513
2007	3.2714995788864343
2008	3.0526915319682786
2009	4.217695551896327
2010	13.550100859548948
2011	0.08286979843819609
2012	8.882576071703156
2013	5.700001362858643
2014	6.899985045321657
2015	2.7676756848447326
2016	-6.255527085452812
2017	-2.9886959855393087
2018	2.374037800377863
2019	3.2471819174342897
2020	-1.6000067370552387
2021	-1.169187003975523
2022	2.804340748394111
2023	4.122319620017393