Year	annual %
1961	2.88784674125489
1962	0.12467724599136432
1963	2.369929232732204
1964	6.664577025913047
1965	-1.857841595380421
1966	0.38068019361480765
1967	-0.11234396235686006
1968	3.9186432741182102
1969	9.435212860051863
1970	1.2585912948287472
1971	1.692794199210283
1972	5.312930527633014
1973	7.122759097325627
1974	2.862306114045637
1975	-7.586477105046143
1976	2.02810174230585
1977	1.3935355579813375
1978	3.888388213451478
1979	2.1061461242643844
1980	0.48254685201776226
1981	-0.8436729481478125
1982	1.0483007076179263
1983	2.9617528589606508
1984	6.0778481946047265
1985	2.5932443177375575
1986	9.491578489866896
1987	3.2794638557490146
1988	7.679106042139196
1989	8.73531558732435
1990	4.009810208508952
1991	7.1984061937498325
1992	0.4760770039422937
1993	2.8112213084695554
1994	2.416629036827871
1995	0.017299921845008726
1996	0.027251337993348557
1997	4.106640711258478
1998	5.355837386318598
1999	6.723966803427643
2000	5.510409395158391
2001	1.8545746813748707
2002	2.1496098989168644
2003	1.3798933588558668
2004	2.7608881807072834
2005	0.9267657607471307
2006	4.3391083145198195
2007	6.4420313662556765
2008	-2.06647390176839
2009	-5.014263012620745
2010	1.8835473097916093
2011	-1.1767978668692791
2012	-0.7621834095486832
2013	0.8146523085376742
2014	0.232564441498198
2015	-0.11547630553289423
2016	2.7397918015241913
2017	-1.1161129623962154
2018	-0.7143259221505929
2019	0.9154658459011387
2020	-2.5473461065411414
2021	5.553502168889921
2022	-0.6438382582386879
2023	-3.3890219062201083