Year	annual %
1961	11.668735992012458
1962	0.8204104626595523
1963	3.70593139044027
1964	5.775656820760673
1965	-0.9397668908443819
1966	2.496188368403722
1967	0.6456915596916559
1968	3.9084588840843963
1969	1.581968448570919
1970	2.46070269409347
1971	-0.095209925937084
1972	4.433228858964682
1973	0.3164010250005731
1974	2.4377269377981747
1975	0.1564624422641714
1976	5.0419146616494
1977	7.7097652566309165
1978	8.524002446919738
1979	2.133267552036486
1980	8.869605252995314
1981	3.2188062668011526
1982	2.5035533847673292
1983	-11.382676884309788
1984	-6.8227909608743005
1985	-5.321178343439897
1986	-4.59793536303583
1987	-5.729876486595103
1988	-4.9380121081480866
1989	-1.7438474583967434
1990	0.6829999542007528
1991	2.3282124339625483
1992	9.298392912620386
1993	-1.3194611101251041
1994	2.9767633276302377
1995	3.2996036889967115
1996	6.67671659708904
1997	7.136458807853543
1998	7.764767927863872
1999	7.659243849312276
2000	6.488905191288666
2001	3.67327160627606
2002	7.343523062878177
2003	13.799770709154629
2004	7.345417274381603
2005	5.595845655914843
2006	12.563137580989064
2007	4.153457760158602
2008	2.802179778244664
2009	-4.964072471955632
2010	2.6561605187940245
2011	-0.97711781922564
2012	6.668825494856591
2013	2.7878854577464267
2014	3.1425980264374402
2015	-1.4240950458498958
2016	-8.103185084464585
2017	-5.398122175310476
2018	-2.3267015303929384
2019	-0.6454073703470584
2020	-8.969595417068348
2021	-1.5249537340644537
2022	1.125565857925423
2023	1.8442850269840818