Year	annual %
1961	2.06730860621912
1962	1.9388843360189585
1963	1.9686288904074911
1964	2.001790104757951
1965	2.0441950234226125
1966	2.0737924172316355
1967	2.09192541002788
1968	2.1090015393508166
1969	2.1425620182975496
1970	2.1616019865443445
1971	2.6927237374765673
1972	2.874392578264222
1973	2.82043042198508
1974	2.8025669857568887
1975	2.826942537426238
1976	2.8285040778051487
1977	2.826346940274718
1978	2.828869929112437
1979	2.8246812545867113
1980	2.789282437550954
1981	2.7453095951798128
1982	2.8472524922847806
1983	2.9618941743079907
1984	3.0770755320131893
1985	3.0567672697855386
1986	3.019648407082648
1987	2.9652282728436363
1988	2.8811782594655675
1989	2.7722759548102873
1990	2.661296755721209
1991	2.5557019407881
1992	2.4750851585290623
1993	2.440755795624623
1994	2.3932375377050215
1995	2.08933613187867
1996	1.9828876575638623
1997	1.904986552983517
1998	1.8381072158738452
1999	1.7948649077250103
2000	1.7590184022962023
2001	1.7779532249070826
2002	1.798743535290749
2003	1.7942348323705397
2004	1.8615171007976918
2005	1.9382819999191243
2006	3.6737598593897047
2007	5.536535811057998
2008	2.853264919626841
2009	0.8257617685434812
2010	1.4969503027677773
2011	4.016125595558577
2012	1.67950108835457
2013	-2.848791584260613
2014	-4.707630947177485
2015	-5.80263846850592
2016	-2.666705552151583
2017	-1.3192021473966775
2018	0.3935143193176162
2019	2.431429721298648
2020	1.842021395795921
2021	1.153244738088998
2022	2.2059379546260995
2023	3.368177417510044