Year	annual %
1961	4.723086673842091
1962	4.602365295881064
1963	4.406142624837996
1964	4.538979319196837
1965	4.495504946695471
1966	4.496778272543941
1967	4.482072274002842
1968	4.454076722875008
1969	4.42211700508018
1970	4.348730568277624
1971	3.781330755678927
1972	2.5273674259095436
1973	2.5658900998895406
1974	2.556487882148851
1975	2.5567618108884917
1976	2.5613828934391747
1977	2.558432113791659
1978	2.566062227588212
1979	2.568181162999676
1980	2.5521364428410473
1981	2.4678595468001783
1982	1.9655474582251895
1983	1.5962709035897842
1984	1.4868963175854173
1985	1.3996476042655759
1986	1.322093513133247
1987	1.2478542054256176
1988	1.174165458411844
1989	1.0993649774126404
1990	0.9550176609020512
1991	0.4001100231937757
1992	-0.014587369303428617
1993	-0.1597570480325551
1994	0.11927227607939404
1995	-0.2708256849685165
1996	0.1678530589894796
1997	-0.21845015657397546
1998	0.18170884833058457
1999	0.12461229127842771
2000	0.09908927235517823
2001	0.06260751654775994
2002	-1.0851927434844428
2003	-0.23308761991685523
2004	-0.6870695389655106
2005	-0.8505760808483561
2006	-0.8114616292379566
2007	-0.778550607431885
2008	-0.7341678473685432
2009	-0.7482674041483216
2010	-0.6884579104660008
2011	-0.4530904761532891
2012	-0.334071849459739
2013	-0.2568584767647435
2014	-0.10272812755818513
2015	-0.05144920688209309
2016	-0.05074664641234962
2017	-0.08159481382074094
2018	-0.13553062305387242
2019	-0.25751173535273675
2020	-0.6095628189625456
2021	-0.5109308706509201
2022	0.2687211662372472
2023	-0.47430918960127366