Year	annual %
1961	2.9934482562697298
1962	-0.13623536056263674
1963	1.8644785692915775
1964	3.8839271016463073
1965	1.33218949146287
1966	2.876760975268695
1967	-1.21979286528493
1968	6.290773531298896
1969	-6.554142922500944
1970	8.562045514558264
1971	-0.14044943985554426
1972	6.38320891557467
1973	-5.58324010795549
1974	4.200775525851725
1975	7.535662598586285
1976	8.920503703902938
1977	-2.6829053048746516
1978	-3.953931260137793
1979	7.001685613225433
1980	3.9877619716854724
1981	5.1802296700223565
1982	8.010384371343875
1983	-5.647460281142884
1984	3.935842443063393
1985	3.463084465151937
1986	3.126985548972044
1987	6.255863406627313
1988	-0.8165754882435294
1989	3.9737833148322466
1990	-0.7462822242523117
1991	2.659962657393791
1992	1.3202330366135726
1993	1.3602130065134617
1994	-0.04752094866174161
1995	5.46858485819628
1996	2.019977208541306
1997	3.0456010348542293
1998	5.8984793176920505
1999	6.283308250309872
2000	3.887210958167927
2001	4.310851466183692
2002	0.0686965747419066
2003	5.593950944561428
2004	4.643293936833118
2005	4.310238526396333
2006	2.3307709833023864
2007	2.827119201333744
2008	3.7031690639138617
2009	2.7521044845505287
2010	3.39088925336209
2011	1.334091079612577
2012	4.002995550904572
2013	2.4123852760557867
2014	6.224074437909863
2015	6.367043650669828
2016	6.356068571818781
2017	7.407486186301298
2018	6.209241033890862
2019	4.6136280974970845
2020	1.3420737726679022
2021	6.544001099378335
2022	3.8218560513114426
2023	3.6999963605207142