Year	annual %
1961	2.4444270798043704
1962	1.3098746160848123
1963	2.1822264252679133
1964	2.8318194085478865
1965	3.7750321193181975
1966	4.920904610792107
1967	4.454138824884836
1968	4.0651339289221795
1969	4.826782691316552
1970	4.722013830008478
1971	4.931439975888367
1972	5.826044108793354
1973	9.92880660941735
1974	15.569480054917122
1975	10.997734532867028
1976	8.783426420356506
1977	6.717535077419427
1978	6.82659461471485
1979	10.070050601390236
1980	10.055889740945375
1981	10.870957344293572
1982	8.827078400984504
1983	5.824475049587207
1984	3.545390262950974
1985	3.3383891899150626
1986	3.132379040933671
1987	4.791601413669213
1988	4.539998176338116
1989	4.681253240029719
1990	3.352301724925752
1991	3.056769896075224
1992	1.4708508337374155
1993	1.2890428821936695
1994	1.4556309607759061
1995	2.2633257316071678
1996	1.6752750198962758
1997	1.1441283067035357
1998	-0.17622525626967445
1999	1.9238556417362673
2000	4.374199030794173
2001	1.5736767667921043
2002	1.257523455243387
2003	3.2497370069762326
2004	3.260873898289816
2005	3.116638504876761
2006	2.5701726746608387
2007	3.3005456442315477
2008	3.996316455425756
2009	-2.3249220722794064
2010	2.848637766344254
2011	3.244455175502111
2012	1.2184437073871948
2013	1.7407379057341643
2014	1.9411989774866782
2015	-0.8676513123233889
2016	0.7169781406606575
2017	2.5710146542528207
2018	1.6511181981861967
2019	1.5460707543806933
2020	1.0708102680749647
2021	7.664865422531307
2022	7.653819926762267
2023	1.6052418097755208