Year	annual %
1961	-15.870157597821887
1962	6.365246139722842
1963	1.9900958060750327
1964	3.29186368082226
1965	1.1359909579916803
1966	2.1480482390298334
1967	11.001957686425584
1968	-2.6147911490192968
1969	-3.5323148318586277
1970	18.77954908725677
1971	0.33063308687255244
1972	-6.328783605138781
1973	7.120848923563244
1974	-3.1295002766015045
1975	-1.697838277813915
1976	5.64181804716884
1977	8.729453856809343
1978	-3.686737536671856
1979	-0.7437610106134684
1980	-3.11611097804429
1981	7.719722199405481
1982	-3.4513930225773066
1983	0.989196177471598
1984	-2.238831127747119
1985	9.393995727867477
1986	1.3316466527279545
1987	3.129006499587888
1988	2.7583844579673666
1989	-0.571550671620642
1990	1.4218960696294545
1991	2.913068415196207
1992	-1.5975617345025341
1993	-3.0692484560441358
1994	-4.366901339623013
1995	-13.29592728757082
1996	-7.964692392705047
1997	-1.4796101109999142
1998	2.815176025037559
1999	-3.3299504834592426
2000	-2.860565879764863
2001	-0.4391878766859634
2002	1.5685346310696104
2003	-4.274588197500037
2004	1.0108820458013383
2005	-2.7648804937772695
2006	1.7067138389191854
2007	-0.2777005171737983
2008	0.637154645550055
2009	-1.3276946069600086
2010	0.3182218178359335
2011	0.411511959732195
2012	0.8240809659673118
2013	1.2635993343632634
2014	0.8106028013123279
2015	-5.980495612131804
2016	-2.2061338298141635
2017	-1.7726464864145441
2018	-1.3771396218608771
2019	-1.457193032886579
2020	-2.5084611684656863
2021	0.3811666397654676
2022	-0.8246286920670798
2023	-0.007284562032879194