Year	annual %
1961	2.08711672631441
1962	2.05469781088844
1963	1.98215276465322
1964	1.93404000056661
1965	1.90679370428949
1966	1.83644320048543
1967	1.78087505197986
1968	1.75619371253748
1969	1.72135765555135
1970	1.68596543180719
1971	1.65515686504286
1972	1.60347055517802
1973	1.5848587732904
1974	1.58710124264184
1975	1.58004267962206
1976	1.54204618740693
1977	1.51547374174754
1978	1.51884563784502
1979	1.48458669591121
1980	1.45340087643096
1981	1.45224171572611
1982	1.44847785546328
1983	1.42203507713133
1984	1.41971441391823
1985	1.45983532243265
1986	1.51451526079465
1987	1.57199694987578
1988	1.60436988360225
1989	1.61427036260872
1990	1.61875060800777
1991	1.62856989207288
1992	1.61172337460706
1993	1.55570947046153
1994	1.50513351154601
1995	1.44005433972801
1996	1.36875304874354
1997	1.31731727694084
1998	1.25783584862258
1999	1.19092710984963
2000	1.14904172536735
2001	1.11531304820862
2002	1.08792963607244
2003	1.04791320216262
2004	0.996674255969576
2005	0.97751001174206
2006	0.979795955667856
2007	0.980589313160657
2008	1.00084678976019
2009	1.02694120751704
2010	1.0090337555584
2011	0.991361115471139
2012	0.974635115583974
2013	0.964976309009339
2014	1.00681495918115
2015	1.02942555374852
2016	1.18906102612278
2017	1.56205545588869
2018	1.79596279901203
2019	1.7913919716665
2020	1.36064363430941
2021	0.994344898418259
2022	0.565514127974157
2023	0.131811438677878