Year	annual %
1961	0.3478814031731474
1962	0.417942568727085
1963	3.059947612564656
1964	1.6912014052485205
1965	-5.562353304660348
1966	-2.767239270417406
1967	10.539069864982281
1968	5.496110514574156
1969	0.418664005190422
1970	10.421034131600265
1971	4.829486226649891
1972	5.53965894583483
1973	9.74492266565477
1974	0.9611142941546689
1975	-1.1298002869790906
1976	0.8441660984668005
1977	3.6628983257801764
1978	-0.5141433382042067
1979	9.50369460194942
1980	-4.003599735636271
1981	3.7470262749192074
1982	-8.247473419705926
1983	-6.2622785897105615
1984	5.804629050645076
1985	-6.829445586478187
1986	5.545023146058668
1987	-8.1145681505443
1988	-0.31112844382474236
1989	6.279852924609884
1990	4.752617533441111
1991	-3.2457441979318276
1992	5.826681398995788
1993	1.8273426707325626
1994	4.886690479229543
1995	2.3133046354499385
1996	4.2353047071600685
1997	-3.176574746746823
1998	0.13323221695628717
1999	7.548052587319248
2000	-2.772962329230012
2001	0.9317716471406925
2002	2.1592454260200213
2003	0.009775584832368622
2004	4.2808898486252644
2005	-0.24712329109443942
2006	0.911330811189174
2007	-1.6928105829443325
2008	0.3474354145065064
2009	-1.8949802465832732
2010	2.5240496436245365
2011	2.3449109769048277
2012	1.1103281733251862
2013	4.459729481367816
2014	5.360486527230492
2015	4.314346977369098
2016	2.3150250039252143
2017	5.279079936335691
2018	3.814949366231744
2019	-0.5230262541096806
2020	-17.216260550571576
2021	-5.31187538268118
2022	19.350915093216713
2023	7.263950704794311