Year	annual %
1961	3.3611205264918027
1962	2.305442724975677
1963	11.652415018552475
1964	10.603019042464965
1965	12.508527377134754
1966	7.3646504339324395
1967	7.887874863413245
1968	13.166192024010414
1969	11.780154514772619
1970	8.373203231266487
1971	6.212169305142439
1972	13.250809552833914
1973	5.279866988976181
1974	7.813391373205405
1975	3.005142983867387
1976	16.249601463671738
1977	1.4685889490403667
1978	-2.82231847579817
1979	-0.992941286114899
1980	-4.8703817348659015
1981	-2.6937516189203166
1982	11.589189443512794
1983	4.4584715116418465
1984	-0.5441098594312308
1985	3.864912986619572
1986	-2.945150624992351
1987	0.08842365376197847
1988	0.7641437692322768
1989	2.4418396810268916
1990	10.94076887524757
1991	0.521249549538112
1992	4.457503700808189
1993	1.4995431650223168
1994	2.0393889884681755
1995	2.5725484908347056
1996	6.180609699085366
1997	3.941127393349973
1998	5.957394370578967
1999	4.316669949655363
2000	6.033060141673303
2001	2.77351340235208
2002	3.142500213606425
2003	2.2826610074906597
2004	7.729711508830661
2005	4.471718449814773
2006	5.27732160544079
2007	6.0152280735914445
2008	3.7162426177727923
2009	2.551547093224073
2010	5.3589514641893885
2011	-0.9410046041775217
2012	3.557003513124556
2013	0.4562810908046231
2014	1.8256199684961558
2015	0.7222790330462061
2016	5.4012928296847775
2017	3.1219563709299507
2018	1.8177937637907888
2019	1.1126738303800465
2020	-4.402837909103994
2021	6.221257687564901
2022	4.411291570169325
2023	2.7270943566899177