Year	annual %
1961	-0.26603076967190276
1962	0.8386262053687091
1963	0.31259561979843575
1964	0.34258980477512496
1965	0.3428204009337501
1966	0.6637446953594665
1967	0.2547938562930546
1968	0.7587244367674869
1969	1.08349455781926
1970	0.956668831667285
1971	2.3690234044830567
1972	0.8229187161694864
1973	0.516052565016657
1974	1.508088084118841
1975	0.21060125298955593
1976	-0.021773942073619417
1977	0.1050864836315424
1978	0.13751955677155409
1979	0.05150931613344264
1980	0.19291220086654473
1981	0.5321473229675988
1982	1.9433414296283622
1983	1.5706670819655117
1984	1.4092560658317204
1985	1.533425441804609
1986	1.6543424202571735
1987	1.728587498204754
1988	1.8362373323098886
1989	1.899478353806967
1990	1.6861822056860825
1991	1.4803733353615705
1992	1.9247170954305197
1993	1.755661611007485
1994	1.8284294157720888
1995	1.9782510525866455
1996	2.077568193927093
1997	1.9383152063857818
1998	1.8586735041825933
1999	1.9485593610740881
2000	2.0044952124538202
2001	2.136622579973135
2002	0.367291657079596
2003	0.38036073327773867
2004	0.2998083131135395
2005	0.44843565117964923
2006	0.5811681483752175
2007	1.0243938200281295
2008	1.2035283498591027
2009	1.2606590922389223
2010	0.7558515969287799
2011	0.5900165375883827
2012	1.0495029020289104
2013	1.0337714278534487
2014	0.7994226569826812
2015	0.74925064728382
2016	0.8671861527092589
2017	0.9117263604882136
2018	0.726891097132799
2019	0.6735552494093344
2020	0.386682933759622
2021	-0.7424320826067747
2022	0.3445408836216965
2023	1.4115850234234064