Year	annual %
1961	2.04264799873527
1962	2.0854566981797
1963	2.11478153561057
1964	2.13863084992244
1965	2.16538918014848
1966	2.16856311634238
1967	2.10696603598416
1968	2.09554103244117
1969	2.13938010697564
1970	2.1987856550446
1971	2.25680822194687
1972	2.32373411465329
1973	2.43112797220062
1974	2.57126054527292
1975	2.73122587293759
1976	2.8344902652352
1977	2.94325225808384
1978	3.02292456298641
1979	3.03783949556754
1980	3.06371248773115
1981	3.00298762355107
1982	2.90087187337984
1983	2.505583858711
1984	2.47193822565748
1985	2.72592646543804
1986	2.62007004469383
1987	2.57710319274615
1988	2.58684403074567
1989	2.61364456763675
1990	2.62859895485536
1991	2.56220123638405
1992	2.52372796254107
1993	2.55576762430514
1994	2.57482944873593
1995	2.55718979815601
1996	2.52685259419513
1997	2.52296474517798
1998	2.51603389644629
1999	2.54261988693615
2000	2.60286876961431
2001	2.65126549448063
2002	2.68288995606035
2003	2.69276790616125
2004	2.69550346507859
2005	2.69369341754265
2006	2.69592582302795
2007	2.70962693730599
2008	2.7196868027914
2009	2.72738484297876
2010	2.74437885223698
2011	2.76406237855304
2012	2.74928887763244
2013	2.69747404339158
2014	2.6281238528085
2015	2.54118746244735
2016	2.50703408562558
2017	2.52731691971774
2018	2.49664490408847
2019	2.44820069834557
2020	2.44060888477318
2021	2.40636338101405
2022	2.38000715491565
2023	2.37988826918731