Year	annual %
1961	4.385144867440627
1962	4.3335190112981925
1963	4.211272743108455
1964	4.14086307787269
1965	4.061361638856421
1966	3.7901911024073227
1967	3.7406331714427643
1968	4.014272715504843
1969	2.453766113958872
1970	0.5167493274327126
1971	4.305419986851248
1972	5.788791739374621
1973	5.865030685742691
1974	5.5548644945632
1975	4.945087970950617
1976	4.658102227660843
1977	4.3281377574211914
1978	4.117577709227741
1979	3.7758687976421577
1980	3.4080543949659465
1981	3.150537286559332
1982	2.7774971093967133
1983	2.4269647572818696
1984	2.0685323850934356
1985	2.016425503238369
1986	1.9066450676443674
1987	1.3301104332113498
1988	0.46727907754430426
1989	1.1514569062507318
1990	1.4304879690061678
1991	1.4055979552263977
1992	1.4744351921273748
1993	2.0420135587953556
1994	1.9163289043047311
1995	1.8627620885090994
1996	1.811478477840368
1997	1.8215284477479852
1998	1.9383129079527661
1999	1.9177263615445652
2000	1.921547974732589
2001	2.2253828200937407
2002	2.4781120504035936
2003	2.288050442742395
2004	1.8979398177440248
2005	1.7299215423334142
2006	1.81684196866987
2007	1.656280218889221
2008	1.3424868588449481
2009	1.4191377193757289
2010	1.9925565357363455
2011	3.0013319783176997
2012	2.1572387483527242
2013	0.6693800408411881
2014	0.5068655222503489
2015	0.7262644918235589
2016	0.9622530732072374
2017	0.8200750612783811
2018	0.4527079621552883
2019	0.20755944702433013
2020	-0.3672822264035717
2021	-0.647525636879579
2022	-0.13669711571344806
2023	0.05166309698413906