Year	annual %
1961	1.20764592110352
1962	0.4732280689402302
1963	3.5371904322546044
1964	4.836943148586315
1965	-4.9254876016678395
1966	-2.2802174309060206
1967	5.326519172470469
1968	1.0970045749965323
1969	4.099907508952455
1970	2.7907389458815146
1971	-0.5081433758180651
1972	-2.656483448017454
1973	0.9909369278753957
1974	-1.0304371893397786
1975	6.749037078707602
1976	-0.5931895811246193
1977	4.897289792537492
1978	3.3293203462928744
1979	-7.257629614653908
1980	4.3027979334086695
1981	3.4543963330863505
1982	0.812605776420412
1983	4.745000010875671
1984	1.23465674133638
1985	2.8229397720283202
1986	2.3266603959556136
1987	1.9170878045715085
1988	6.567777401863609
1989	3.3605633133407338
1990	2.8115762800136537
1991	-0.43644831598362543
1992	3.6412318821344485
1993	1.9256610641474907
1994	3.801578098803077
1995	4.85093379276303
1996	4.915124064448648
1997	1.4968885892318013
1998	3.371571657535682
1999	6.018139393072005
2000	1.8698820706987647
2001	2.7151297770757026
2002	1.6579855438987323
2003	5.511994902615356
2004	6.041350954886553
2005	5.971033201775498
2006	5.947006193754717
2007	5.79891931248126
2008	1.3524840184863365
2009	5.547861490656516
2010	5.533934108492701
2011	3.5784660793075886
2012	3.3941757310344656
2013	4.59371214288835
2014	5.663005495192479
2015	6.156778220290306
2016	6.558388249391683
2017	5.328906772915047
2018	5.051850605248305
2019	2.5109997883488973
2020	-6.653586196090515
2021	8.225870320556197
2022	5.125822749380276
2023	5.317410825544172