Year	annual %
1961	4.568602071083603
1962	4.6456433915824675
1963	4.767832739653443
1964	4.859568392544531
1965	4.922039742322809
1966	4.8598880817615395
1967	4.878512068498566
1968	4.922928220330732
1969	4.958029885491783
1970	4.873547109289561
1971	5.024025472125331
1972	5.0684469403607295
1973	5.07811227548649
1974	5.05697697335475
1975	5.081931241233235
1976	5.0679955458124795
1977	4.950992768440358
1978	5.0712364293253245
1979	4.905936815028866
1980	4.7265237053417195
1981	4.869060716858527
1982	4.885948244129466
1983	4.880526168720351
1984	4.969488654582307
1985	5.172743917120769
1986	5.265344531333071
1987	5.241196789058009
1988	5.106482459532742
1989	4.998328967014174
1990	4.909172561343155
1991	4.367148086850904
1992	4.250604055335742
1993	4.221084132111017
1994	4.143135439514765
1995	4.034815620511239
1996	3.857333281810611
1997	3.839312806686209
1998	3.8318991285652544
1999	3.8305256330114332
2000	3.8474206413146277
2001	4.068481106782002
2002	4.098105374306456
2003	4.095644098017843
2004	4.113991372666391
2005	4.162791391269778
2006	4.153763080783165
2007	4.033624848083733
2008	4.292668790052815
2009	4.284034721011835
2010	4.286757915467021
2011	4.273182570353981
2012	4.208889417566056
2013	4.196985716066749
2014	4.207751113870188
2015	4.233697046663835
2016	4.130489050381982
2017	4.056324072774672
2018	4.071171507302651
2019	4.03312184722715
2020	4.0008853162846805
2021	3.924707281049905
2022	3.859532038401454
2023	3.8473285600382923