Year	annual % growth
1961	1.1878785217914043
1962	3.258269757692389
1963	3.828307759870796
1964	8.960891133271303
1965	36.64885776281395
1966	16.419020115620413
1967	7.528684190930932
1968	12.612397069115431
1969	-5.983172386628979
1970	8.821194136400194
1971	13.215400386373403
1972	0.18382358712483438
1973	10.18348056053469
1974	-9.908404956427802
1975	3.881700577099892
1976	1.067615705296305
1977	-0.264090262902414
1978	24.21716814325616
1979	9.941595913922669
1980	-2.9699521461190415
1981	4.01541759899078
1982	-10.200129116849325
1983	0.7189072628681146
1984	-0.42826552620819314
1985	2.659354952297946
1986	6.62678101086351
1987	2.4230517353357186
1988	-0.8951406648727698
1989	5.096774193185169
1990	0.49109883415341926
1991	-2.0158827295075525
1992	7.980049980667175
1993	-1.0969978019877829
1994	-10.09924113321945
1995	13.571428725617935
1996	8.061749574004878
1997	1.3227512704030602
1998	1.5665795398928566
1999	-11.156812262356738
2000	6.481481472917565
2001	3.960836361867564
2002	10.010427180183015
2003	8.727986365749118
2004	13.201835144355556
2005	5.306423168674357
2006	1.5536171963168783
2007	2.5369393322531835
2008	0.8597249420397475
2009	-15.896935768412334
2010	15.68472922089812
2011	8.36223466967607
2012	9.848811180669841
2013	-1.281047036278025
2014	3.3584649694272457
2015	2.8998617584625777
2016	0.8867366659141851
2017	4.870250657410622
2018	1.3679037445400155
2019	0.9724455229429623
2020	-21.02633068602826
2021	23.178670798535975
2022	6.597732489513959
2023	-7.494030370337683