Year	annual %
1961	-15.127218311280785
1962	-20.910073610124996
1963	32.16830238443856
1964	4.01751951148745
1965	4.472787558505061
1966	-6.556911494688478
1967	7.045086750564138
1968	8.327991707881367
1969	6.021717665613394
1970	6.456719171916475
1971	-13.307117520955984
1972	24.51649026453599
1973	1.3789096501282643
1974	4.8905909166538635
1975	1.230300647701128
1976	3.2906099782845217
1977	1.3657943255818594
1978	6.127467781711246
1979	4.316636922406289
1980	-2.288056634745516
1981	-0.2573379893076151
1982	2.9487290674965436
1983	1.9243238221900327
1984	2.0883813854203765
1985	0.2357802679903358
1986	-2.8891713177825977
1987	-3.6620096934861834
1988	-3.682624436582941
1989	1.6882789835680967
1990	-1.6829279498054746
1991	-3.528167862082725
1992	-0.5383037132574771
1993	-4.2689354619087965
1994	-2.966914206996691
1995	1.8280369772788276
1996	2.28047201285419
1997	-0.5854453189908924
1998	3.524321956655754
1999	1.766866718797246
2000	2.3545802705535124
2001	1.592496614201579
2002	3.9878397252585103
2003	5.067457477480119
2004	3.039698804036604
2005	3.972019167836649
2006	1.42770410611719
2007	1.4352135206170828
2008	0.7631871240770352
2009	-0.6012321670989564
2010	2.8700716841231895
2011	1.0630970874215109
2012	0.4294701179193652
2013	0.6018628167405495
2014	2.060062448994188
2015	1.1565576582555792
2016	1.8493317178633504
2017	-0.46704714819561843
2018	-0.5117211346503012
2019	-0.9390340273793214
2020	-6.631659186554543
2021	2.093487611438178
2022	1.9267009977052396
2023	2.4947709733420567