Year	annual % growth
1961	1.912144702842383
1962	6.440162271805278
1963	0.09528346831824308
1964	-0.9043312708234197
1965	-0.9125840537944327
1966	17.983519146873476
1967	3.738701725554634
1968	8.356435643564367
1969	5.482456140350877
1970	3.7422037422037278
1971	10.62124248496994
1972	8.272946859903385
1973	-5.3820412716118256
1974	-3.9787798408488158
1975	8.563535911602216
1976	9.895391574780902
1977	1.0547980447646097
1978	-3.6150712830957303
1979	1.928156365557328
1980	1.2956724540036362
1981	2.8907649015093426
1982	0.944803580308303
1983	6.231527093596071
1984	3.0605147229306766
1985	-10.078740157480311
1986	-12.709532149111837
1987	-8.455144740613349
1988	-15.028177833437695
1989	-4.679439941046425
1990	-8.194820255121755
1991	-8.336842105263159
1992	-4.5475424896646786
1993	-4.282964388835424
1994	3.217697335344411
1995	-4.919629810034095
1996	3.125
1997	-2.4341778440139024
1998	-9.775967413441961
1999	-1.0158013544018019
2000	-5.986316989737745
2001	-12.856276531231046
2002	-17.188587334725128
2003	-8.319327731092443
2004	0
2005	6.874427131072409
2006	1.7152658662092648
2007	0
2008	-5.817875210792579
2009	3.8495971351835294
2010	2.7586206896551744
2011	4.194630872483216
2012	4.347826086956516
2013	3.549382716049365
2014	3.278688524590166
2015	-0.3607503607503588
2016	-0.43446777697320726
2017	2.9090909090909065
2018	3.1095406360424107
2019	6.922549691569557
2020	-4.230769230769226
2021	11.311914323962526
2022	-7.636800962116652
2023	2.6041666666666714