Year	annual %
1961	1.3432625898680064
1962	1.364004589623272
1963	1.3897941279829025
1964	1.4299203453489253
1965	1.4903900494419033
1966	1.5211680580092177
1967	1.54701647118775
1968	1.5867339981748618
1969	1.5934235911197674
1970	1.6031872805310092
1971	1.5763827584229235
1972	1.567107604420546
1973	1.6218250958769391
1974	1.7214519704661257
1975	1.8459112206782344
1976	1.7734131164990161
1977	1.7956152903445919
1978	1.9229899238790558
1979	1.9861722903066488
1980	2.033822500534087
1981	2.0288729456261083
1982	2.007988094267553
1983	2.0321591839258515
1984	2.041049395797778
1985	1.9981781909179641
1986	2.2555183910688528
1987	2.454383485557572
1988	2.3944120367471635
1989	2.3517890982553658
1990	2.327944148029346
1991	2.230827923077697
1992	2.159614433815874
1993	2.1776150901752245
1994	2.2074810128169204
1995	2.244442747835628
1996	2.2293794189700695
1997	2.0119233973508397
1998	1.991181476239855
1999	2.1363623297495313
2000	2.1620094629473963
2001	2.1899585014172986
2002	2.1894695195549296
2003	2.186288460584329
2004	2.182269799477349
2005	2.1598024876458206
2006	2.0950823799131966
2007	2.183198165020676
2008	2.2424565730537482
2009	2.2161159473132486
2010	2.206891539589974
2011	2.2199189489053657
2012	2.2656266414727693
2013	2.2253855110965732
2014	2.178248932667617
2015	2.153295130208713
2016	2.09787025333251
2017	2.0146344901501294
2018	1.9018617366269137
2019	1.8194854597723698
2020	1.789294300967914
2021	1.7339956727990966
2022	1.6292581156164208
2023	1.567695467839789