Year	annual %
1961	-0.7207600418027654
1962	-0.5175780632996992
1963	-0.5058317436353809
1964	-0.47262758596621646
1965	-0.5673596001989338
1966	-0.8787921353131464
1967	-1.1893071352243176
1968	-1.0802134161061576
1969	-0.9757307253371499
1970	-0.7133429837514744
1971	-0.30734317509041964
1972	-0.43542366499456675
1973	-0.6057798469612197
1974	-0.713482540814711
1975	-0.8062097836084919
1976	-0.8952743271766803
1977	-0.8789698025689378
1978	-0.943086657152575
1979	-0.6591518123125032
1980	-0.10074599794847958
1981	-0.0011174869952518419
1982	0.012515141102210966
1983	-0.021902524912287807
1984	-0.06193411258243688
1985	-0.04518914642568718
1986	0.02930815984753153
1987	0.05903768743749745
1988	-0.09931064916315609
1989	0.31057660339019055
1990	0.7082500601211292
1991	0.13879375641873662
1992	-1.1838065452381854
1993	-1.9381086718940281
1994	-1.5029025119030097
1995	-1.1539055603006696
1996	-0.8409215616004596
1997	-0.5139547712504092
1998	-0.330761313633236
1999	0.9203184860256888
2000	1.056448356820511
2001	-0.22646462982146695
2002	-0.22463120000196518
2003	-0.21713800079114298
2004	-0.18908694093754363
2005	-0.16536123158387375
2006	-0.18100750002758045
2007	-0.04920747674403735
2008	0.13715282390983188
2009	0.21080096800469242
2010	0.17693719577665074
2011	0.09999236185733631
2012	-0.3859334802990397
2013	-0.8191968140582719
2014	-0.7245015083318368
2015	-0.3987629236642907
2016	-0.4373408104239054
2017	-0.3700828432341619
2018	-0.1743743125650545
2019	-0.17930547671215658
2020	-0.3793756204586483
2021	-0.5001401061943662
2022	0.7001321145696565
2023	0.6143179764007334