Year	annual % growth
1966	-16.559094730935612
1967	53.86594169378549
1968	4.355079437268202
1969	-19.743159342824725
1970	13.999992504487352
1971	-8.59649188698603
1972	4.414569880140078
1973	3.3088815934812317
1974	3.5586681844000907
1975	0.5154959217565676
1976	8.090958233464107
1977	9.868563640185684
1978	6.957653902846019
1979	17.064282917936666
1980	-7.35570452223719
1981	13.828169517803744
1982	-2.2462087364352357
1983	-9.113593727597603
1984	18.271329352648166
1985	-11.461601773964361
1986	16.138530705581175
1987	-11.021657928409667
1988	0.08832889327423743
1989	24.506737930705725
1990	9.112488475199498
1991	-0.5218513750006792
1992	1.7454177331652545
1993	11.537662512490797
1994	5.288992100777051
1995	-0.6390600098443997
1996	4.485676365652509
1997	4.703806686256158
1998	1.2858313718544139
1999	6.909104813583895
2000	-1.9207405350983464
2001	11.842569662423784
2002	2.0228386788781165
2003	0.40721383411974443
2004	8.333386305835248
2005	-12.104324194671406
2006	5.471444197280249
2007	-1.7084513417767084
2008	6.760313551594848
2009	-6.1071666201727055
2010	4.792488773917825
2011	-7.40717613380923
2012	-1.476058804447291
2013	2.8994224706443816
2014	7.1712370352724975
2015	0.6196880441061978
2016	6.443305029601845
2017	4.213824537654418
2018	-0.3555891130541511
2019	-1.3873181059697544
2020	-7.352313692997697
2021	-1.9642095140242049
2022	-0.37031328259885754
2023	-0.3601211298635292