Year	annual %
1961	2.95906293760385
1962	2.83436012057622
1963	2.80186985309581
1964	2.77306963326491
1965	2.74704026875373
1966	2.7041404709951
1967	2.67020126424251
1968	2.64579798268785
1969	2.58878456618611
1970	2.59351639175363
1971	2.60018520284525
1972	2.54588906566558
1973	2.49015879485505
1974	2.40147320744003
1975	2.40182443797649
1976	2.51545126006456
1977	2.66047509105459
1978	2.74870120443164
1979	2.71604291458093
1980	2.64798140259759
1981	2.5685376046717
1982	2.50305033816042
1983	2.48400764777203
1984	2.45016912145036
1985	2.39599668746198
1986	2.33899734024972
1987	2.29974786346561
1988	2.30833237563667
1989	2.30727315177789
1990	2.35297110942521
1991	2.37710880928449
1992	2.35743067552214
1993	2.35765827898432
1994	2.34351526906344
1995	2.33783652629301
1996	2.41745888336185
1997	2.46959648910774
1998	2.40901793872555
1999	2.33145037230345
2000	2.21679406368577
2001	2.1168672092615
2002	2.06267818983041
2003	2.01831250528467
2004	1.98712673013663
2005	1.93575552038701
2006	1.88401982804789
2007	1.87034863111627
2008	1.87043157688419
2009	1.84004284987183
2010	1.80164390376145
2011	1.78165880217122
2012	1.74352515093364
2013	1.68695605708093
2014	1.6168406041295
2015	1.66983002094225
2016	1.77382446993613
2017	1.76102262001195
2018	1.70024776555145
2019	1.65518369204871
2020	1.62663290469171
2021	1.49455716704944
2022	1.46331572990702
2023	1.52719727728693