Year	annual %
1961	4.82063750714936
1962	4.6639277157537
1963	4.62307876318273
1964	4.60064926198592
1965	4.54230702214544
1966	4.45954873687765
1967	4.37120299958037
1968	4.27367107617944
1969	4.18601964011174
1970	4.08007462865138
1971	3.91434080774145
1972	3.69531554865026
1973	3.53611330546987
1974	3.46070351622934
1975	3.40132224970002
1976	3.3330567393145
1977	3.27538634945508
1978	3.23963543937556
1979	3.22539246872192
1980	3.22842416914114
1981	3.23466764283133
1982	3.30940775139301
1983	3.37797612094646
1984	3.39156865551995
1985	3.40554108355459
1986	3.40613631435071
1987	3.37852194591705
1988	3.31694457851601
1989	3.23999914939582
1990	3.14403626597194
1991	2.98336491688063
1992	2.76148786574345
1993	2.59634706818906
1994	2.5049519406922
1995	2.42367607464414
1996	2.34574842856443
1997	2.26644359091607
1998	2.19060273268485
1999	2.13018930911378
2000	2.08216354349989
2001	2.02237896105741
2002	1.95149833621625
2003	1.87658391830951
2004	1.79597440947835
2005	1.72066656308508
2006	1.64731083840717
2007	1.58075344729259
2008	1.52495500833732
2009	1.48232308730953
2010	1.46041834447089
2011	1.36744365525444
2012	1.26910407285782
2013	1.23862687064177
2014	1.19611546302496
2015	1.14093587780034
2016	1.07549615845856
2017	1.00016015852588
2018	0.924880804854795
2019	0.865282211615446
2020	0.835902308961215
2021	0.822461681539278
2022	0.811520875721177
2023	0.781345833219508