Year	annual %
1961	-1.8340097439208876
1962	1.9544510766535694
1963	6.30652788991965
1964	2.729815775271277
1965	2.638222174882273
1966	-6.304550189296606
1967	-17.500310013922658
1968	-3.2962096758627553
1969	21.568550456687134
1970	22.28859872452267
1971	11.688283567949213
1972	0.9900435123848013
1973	2.8614223135851518
1974	8.338877323115284
1975	-7.781163331542402
1976	5.994950062703538
1977	2.9490362956946967
1978	-8.570210695479815
1979	3.5650170199156435
1980	1.060704056371577
1981	-15.697858295089489
1982	-9.468066790003533
1983	-13.12822814304107
1984	-3.5300197887772953
1985	3.0649113483684545
1986	-2.5266748231238694
1987	0.5745292144750351
1988	4.593066668102821
1989	-0.7099191187426044
1990	8.87700003585374
1991	-2.1803679004603254
1992	2.0236285870086164
1993	-4.507149255869052
1994	-4.31075317014691
1995	-2.5956007729375727
1996	1.5960326820480049
1997	0.3725204385688414
1998	0.03247352477579568
1999	-1.941105545810501
2000	2.3177749007206927
2001	3.1464246826453888
2002	12.276139069330497
2003	4.495155882668001
2004	6.3450407295680264
2005	3.6096606137971037
2006	3.238342571715222
2007	3.741687355415536
2008	3.89994318321925
2009	5.1301618746483655
2010	5.081874854980441
2011	2.4370072366228612
2012	1.403508778557196
2013	3.8323661806400935
2014	3.5521622989247703
2015	0.07696161672419066
2016	-4.052706361802166
2017	-1.7098730922510867
2018	-0.5903892712477443
2019	-0.26345637824294954
2020	-4.162059290791902
2021	1.1828282225788058
2022	0.823296497959916
2023	0.44115642223164286