Year	annual %
1961	-25.38842555298723
1962	-21.220227538684227
1963	74.25473694371797
1964	7.528377799145375
1965	3.655794434259633
1966	-20.803024147000215
1967	-1.7407611217316088
1968	5.539215981047803
1969	5.394901121596035
1970	8.393658388049545
1971	3.4400938404371715
1972	14.785501767321605
1973	-0.921308501880489
1974	21.971566964960516
1975	7.223461443030899
1976	2.9771749864504216
1977	6.797278757296283
1978	-2.8268759451574113
1979	6.429948621165508
1980	7.005859490938263
1981	5.368962754090106
1982	-1.3727637604380618
1983	2.8880820155704754
1984	1.7176553660455056
1985	2.7479606329198702
1986	-4.135101601294124
1987	-8.512578168215356
1988	-11.243568952466475
1989	8.27752679892511
1990	-5.900045334629354
1991	-9.551320548277076
1992	2.4108797313439965
1993	-4.6858610169869905
1994	-2.639315817933891
1995	0.13601803313815708
1996	-4.108479887255186
1997	-3.789116448525249
1998	0.5659867700225476
1999	1.5224183111425447
2000	3.4025373883094403
2001	1.0006956642599505
2002	2.902577640588305
2003	3.193014573955111
2004	4.420134960162983
2005	3.1828577323754814
2006	2.01911929027834
2007	4.190001084927772
2008	4.400492415415229
2009	4.997315032939696
2010	3.655339406605492
2011	3.4179653690373755
2012	5.039025875695984
2013	4.033700242201306
2014	3.3345877241811763
2015	1.8426970999834111
2016	0.6730160484325438
2017	0.3174490318171621
2018	0.6656549464644286
2019	0.7299812566888448
2020	-6.435094258526249
2021	-0.0703435325422106
2022	1.8283161510113928
2023	-3.325064935915762