Year	annual %
1961	0.121050209977696
1962	-2.9169469102318715
1963	-0.9647336517940204
1964	0.988749355079463
1965	-1.5236679140630827
1966	-0.06803123192476335
1967	-4.082857288290086
1968	3.19858649946498
1969	-9.268812189257488
1970	5.408267466871692
1971	-3.045524934387018
1972	3.2873990620700937
1973	-8.325241064602906
1974	1.2436450957085299
1975	4.627787738323065
1976	6.118802109940475
1977	-5.0130683251313854
1978	-6.162351356035444
1979	4.477841628142528
1980	1.4464388662559458
1981	2.5173066346254984
1982	5.199511224009882
1983	-8.146691778467385
1984	1.1509070755199247
1985	0.6244405358293506
1986	0.20446637129225564
1987	3.1964834912291167
1988	-3.658087583052904
1989	1.0172929458897642
1990	-3.567018246223924
1991	-0.22997837118501252
1992	-1.477836954922978
1993	-1.385541593845545
1994	-2.6653339521535315
1995	2.833495451260575
1996	-0.4111961094015726
1997	0.6763422485892789
1998	3.497438282285543
1999	3.849657260979569
2000	1.4707806816199849
2001	1.857485378357012
2002	-2.318996909463962
2003	3.028062940896149
2004	2.059295773385813
2005	1.6928388589752643
2006	-0.2978665631655417
2007	0.15520217841907424
2008	1.0037086838431009
2009	0.038174664910584966
2010	0.6259151671830665
2011	-1.3870568339743699
2012	1.2051837681129598
2013	-0.32753479300319555
2014	3.374701174055474
2015	3.5080541858104226
2016	3.5068891880476514
2017	4.527490631334842
2018	3.364821603697578
2019	1.829263070243897
2020	-1.342145924810552
2021	3.762460202546137
2022	1.1854332524115563
2023	1.0921139594982492