Year	annual %
1961	5.755056062710651
1962	5.694956497736172
1963	4.807735166414133
1964	6.01138451127099
1965	5.249330508847038
1966	4.293716626669195
1967	3.5720669998853936
1968	5.564118734799365
1969	7.02501337485802
1970	5.508305286884905
1971	3.6608830818570084
1972	4.773814696568195
1973	6.018524016634672
1974	3.125789172304266
1975	-0.586467642261141
1976	4.877046667769008
1977	2.9293393703733415
1978	3.066497410910003
1979	3.857737685027601
1980	2.052386356606746
1981	0.5399565796296883
1982	0.837165065192977
1983	1.4398953119845999
1984	2.498259713450011
1985	2.320711049075939
1986	2.5733105674549535
1987	2.5385179865876353
1988	4.111340412541907
1989	3.8811610417097313
1990	3.3050093522929416
1991	1.419414138393364
1992	0.8877911160801943
1993	-0.6415631318271551
1994	2.638593412364145
1995	2.678593580822593
1996	1.8813695148526222
1997	2.6531875968967853
1998	3.0107970877601957
1999	2.9486913321253354
2000	3.9005251562645498
2001	2.1759096012488044
2002	1.1107520720429847
2003	0.9082523608666406
2004	2.5925068095824884
2005	1.9247430090796342
2006	3.494445515747884
2007	3.15612152498106
2008	0.6412599516648356
2009	-4.348699860526466
2010	2.2251183851006147
2011	1.9009568406489024
2012	-0.7018664184228953
2013	-0.08264239342969404
2014	1.600652501597935
2015	2.3093777448928847
2016	1.97230777572166
2017	2.844765369285753
2018	2.066901969542286
2019	1.8053119713811157
2020	-5.652856899515044
2021	6.008729292425613
2022	3.478653735319213
2023	0.45065237753200904