Year	annual %
1961	1.0989096242991963
1962	6.013573604497637
1963	6.280735298968224
1964	4.991922510578007
1965	4.685124041645452
1966	2.0309495949424843
1967	-0.7595894202162583
1968	3.133271583606188
1969	9.018850220198061
1970	7.845061018360752
1971	7.7575830417593465
1972	2.964867655294782
1973	4.319886781176081
1974	7.5791169143900845
1975	-0.2604087339774992
1976	5.178028001933924
1977	2.78548705262493
1978	-0.17422098117768314
1979	3.943123920909869
1980	3.765786056446288
1981	-0.813615382814902
1982	-1.1996078927609943
1983	-2.5808364329748485
1984	2.245676625852184
1985	2.0011522044246988
1986	1.9034416693577185
1987	2.9501469509288967
1988	4.448106318785008
1989	2.3072754360822216
1990	2.3495209238732997
1991	0.34740861310412186
1992	-0.4072885811840621
1993	-0.9013956753505425
1994	0.9844413105704461
1995	3.3219634179857565
1996	5.125739873021232
1997	4.073442594780545
1998	2.5023713142077355
1999	2.205009780592661
2000	3.4772042862627472
2001	4.206193580931355
2002	6.336901723171167
2003	4.060691376301008
2004	6.611081259156947
2005	6.016252982083529
2006	6.05283539870058
2007	6.1597112131455845
2008	5.19701159459629
2009	3.1854056164120266
2010	5.9967983524803685
2011	4.4102737105999665
2012	3.2583739304160844
2013	5.0936985309258915
2014	4.871420510122022
2015	2.9155080516653555
2016	1.2326934847693707
2017	2.4800300654606673
2018	2.752797686002893
2019	2.6568499524319833
2020	-1.9567071353390588
2021	4.268420913337991
2022	3.650321495524949
2023	2.9548881148676998