Year	annual % growth
1961	16.612036995197826
1962	15.643334760467198
1963	-1.6915161539158277
1964	-4.176269631013341
1965	-1.0259443329949391
1966	1.2954968323380882
1967	4.603627306978069
1968	9.290766872261358
1969	1.7894760273451595
1970	1.3186991393992855
1971	17.570368136984428
1972	-8.856218450059643
1973	-7.692201716147025
1974	-4.166604482871094
1975	2.0599147117262646
1976	4.932277439455234
1977	0.6413982028039129
1978	5.732185508670426
1979	14.257336387636329
1980	43.721911353951015
1981	-21.838864552599574
1982	0.3408360696966213
1983	7.206048966423381
1984	-17.503392489877427
1985	2.45803357314162
1986	-0.5851375073144425
1987	7.062978222483721
1988	-4.1781198460690945
1989	5.679862306367994
1990	-2.7144408251900387
1991	-6.919642859179163
1992	-1.618705036226629
1993	-1.5234613028303272
1994	-4.950495046544432
1995	2.8645833318394267
1996	-3.7974683535954057
1997	14.473684209296067
1998	-2.298850576026993
1999	-3.5294117639846405
2000	4.878048783305928
2001	20.34883720811736
2002	-13.526570051316341
2003	29.370985430655992
2004	-11.413684471377323
2005	12.246908957215965
2006	-11.58884744498097
2007	41.46678674588898
2008	-15.988608530004555
2009	-13.883869393452784
2010	-5.1520333684633215
2011	2.373214577880418
2012	-0.178617572976421
2013	2.4710256109309796
2014	2.8944422475995424
2015	0.5178086421853152
2016	-0.28884617610289354
2017	13.915913928331094
2018	-36.603113260448104
2019	0.023269487942869205
2020	24.261923678615588
2021	0.15781711405435317
2022	-8.011106629600718
2023	9.552618504156314