Year	annual %
1961	3.225866350103246
1962	1.4582890689407435
1963	-1.0485726025025315
1964	4.657375975329629
1965	2.9938719061262304
1966	1.8438298563826976
1967	1.7128442727049986
1968	4.684239293476082
1969	4.198967682842493
1970	4.152443749633747
1971	4.349147522256729
1972	5.106589269263367
1973	6.073141260038113
1974	4.097276348114406
1975	1.7787844279611278
1976	3.049272055918294
1977	2.3205856139078236
1978	1.8737593870148999
1979	4.887285326382653
1980	4.23578635546815
1981	-1.1332352074387586
1982	-1.8619786355598649
1983	-4.14115737010718
1984	1.7652217316981336
1985	1.0599876628990046
1986	1.3304980561532602
1987	1.173865730871455
1988	-1.5509739771647162
1989	-0.4996108574912057
1990	-2.325542110902049
1991	0.9087088859014472
1992	0.3113712384847531
1993	2.52927032869583
1994	3.4590122168876007
1995	-1.2707588489517718
1996	2.1788435896453677
1997	3.6100271881905286
1998	1.191719970533427
1999	-0.9881619250661942
2000	2.1081256766019862
2001	-1.2359757586146998
2002	-0.9953657452880122
2003	1.0767576992538892
2004	3.9465683771784796
2005	2.708253572947143
2006	4.001336981795902
2007	4.122463846589852
2008	2.583800455548271
2009	-3.4717291854034897
2010	5.562020209192454
2011	3.247092995032162
2012	1.2295597308734614
2013	1.6557859121888185
2014	0.22797704327098245
2015	-0.745432566365281
2016	-1.5090282531848231
2017	0.9437263271226328
2018	0.4663560533141293
2019	-0.38507840818601835
2020	-7.386576298838875
2021	6.00461811245674
2022	3.164305299162379
2023	1.4322973169934556