Year	annual %
1961	1.1445092361752671
1962	-0.22587963782309828
1963	2.013138068059405
1964	3.685699999614812
1965	-0.5251368608846292
1966	0.44163343896263996
1967	1.3613399006344906
1968	0.5984420368291126
1969	1.065482963636839
1970	1.6521614738585413
1971	0.00898355060388667
1972	-1.5516036297750162
1973	-2.0136097981052075
1974	-1.6740489593317704
1975	1.0801279076968058
1976	1.595752468464596
1977	2.2107917481727526
1978	3.0821791328554724
1979	-3.0810131586613636
1980	4.4016603320859105
1981	-0.3131404645301643
1982	-0.9319858975722752
1983	2.6571257544546256
1984	1.1852805203128298
1985	0.4498113327790776
1986	1.8046103978347219
1987	0.9778400915139827
1988	3.5509634042982583
1989	1.0810958838382305
1990	1.8212067401319558
1991	0.38246541355584895
1992	2.090274387245856
1993	1.382591302008592
1994	1.6562262913939918
1995	3.033889433273046
1996	3.94642599537805
1997	1.1780760561613306
1998	2.8801654662205465
1999	3.2147707078308514
2000	1.4248525041977729
2001	2.768867052577832
2002	0.7370706921979746
2003	3.0440542375403083
2004	3.287493712988095
2005	4.974669423271209
2006	3.178767624819585
2007	4.715252562142808
2008	2.7930481018908893
2009	2.4178557913561605
2010	4.078397900031376
2011	4.349107461155199
2012	3.8864384677449664
2013	4.125383758970628
2014	3.862531327320667
2015	4.641483358301613
2016	4.700993118826929
2017	3.883920217737156
2018	4.220243025997831
2019	3.1414050797973943
2020	-4.4415134167065276
2021	7.054399381946496
2022	4.864744248508174
2023	1.7534575955032068