Year	annual %
1961	1.5768791968288696
1962	-4.996672622610674
1963	2.9612305674383492
1964	4.776116704721247
1965	3.371255315046625
1966	1.8678545919609064
1967	-0.9841556671079985
1968	1.4510544269634522
1969	0.45000507681321267
1970	-0.0029407857708747542
1971	-3.7664304066853873
1972	4.615258024618953
1975	-7.664943017988151
1978	-1.202750356596809
1979	3.8874258060123736
1980	3.6084532110083956
1981	6.918303573585007
1982	-0.8353074976251378
1983	-7.72939497035658
1984	3.163663780856581
1985	5.339014555699677
1986	-0.6492412031672359
1987	-4.262170623727158
1988	0.6273855384157088
1989	-6.675726214733373
1990	6.274957816200327
1991	1.5002436314307914
1992	-2.158169265696742
1993	3.124599109320215
1994	-2.0934853907023268
1995	4.0254417500210025
1996	1.7215135382220552
1997	3.352303094328434
1998	1.618957210944501
1999	2.3822855926931084
2000	2.6704202253574607
2001	2.161520969813523
2002	1.2714733894469958
2003	0.32869042312297836
2004	1.421610588165052
2005	-1.1406221178616391
2006	0.6552419726427559
2007	2.821220358429713
2008	2.3214278165667395
2009	-0.8667832656921348
2010	-1.0551822526221173
2011	0.4005428726465965
2012	1.3428425564329274
2013	4.171255411359326
2014	3.3871075911404063
2015	-1.5349234880702767
2016	0.2689558508769778
2017	2.3690835550578555
2018	3.7192732251376697
2019	3.83249195861319
2020	0.9135941592593184
2021	4.798406657413196
2022	3.0722651568344475
2023	3.7957296192433034