Year	annual %
1963	2.898968012116626
1964	4.09874060302073
1965	7.464615849085405
1966	0.9654481586607346
1967	2.8204690724050323
1968	1.7959411666891043
1969	2.5319153162180186
1970	3.0368790504151235
1971	1.2181657899425886
1972	1.480066300071556
1973	1.5447978236960722
1974	2.633545316282266
1975	3.0482298840321107
1976	1.46144255116522
1977	1.5823753869904351
1978	2.3113801154674576
1979	1.2397121789463625
1980	5.275144331775579
1981	3.192402913350989
1982	-2.07874621815931
1983	-0.4315309187798988
1984	0.5228000409063043
1985	0.17816690216798747
1986	-1.589681146408907
1987	0.17100742437474992
1988	0.8928108431763206
1989	0.4806109581463289
1990	3.908507746856486
1991	1.069522836343893
1992	1.5323798756482887
1993	1.3208681552289363
1994	1.0742256219429862
1995	0.45932879099019885
1996	3.5021512438102604
1997	3.607963729927178
1998	1.6162173949444707
1999	0.9026415397488421
2000	2.462963772025091
2001	0.18659488024957227
2002	0.08965264330839773
2003	2.4311047922652307
2004	3.614109997320142
2005	4.0590463137967845
2006	3.6013613424800752
2007	4.469495774685342
2008	2.0885960889234667
2009	-0.934361232045049
2010	4.375799926150307
2011	4.308910472176592
2012	2.58000430459046
2013	2.9427834610678474
2014	2.0253420951681136
2015	3.089971119138198
2016	2.902727080987802
2017	2.9514754541892785
2018	2.175126397688402
2019	1.831648806209472
2020	-5.776564491936952
2021	7.876470210208652
2022	6.143605810714774
2023	3.1611267744902705