Year	annual % growth
1966	-19.355876933397923
1967	0.6806850512033407
1968	-4.750599514029702
1969	6.746955883016298
1970	17.879252055542423
1971	3.9966431489202137
1972	-5.666481352247743
1973	3.5325436742259484
1974	11.364514338013308
1975	4.620931679457897
1976	11.784991221806337
1977	9.896116014881784
1978	-7.6180026610779095
1979	-12.231902841905395
1980	-5.500827868029674
1981	17.99375065788081
1982	17.518948404495987
1983	-8.873694619403821
1984	-4.630144580189068
1985	-12.21779915528299
1986	16.47993147088407
1987	9.535681171747257
1988	-12.493515454796466
1989	32.837658150411386
1990	-20.218393846286972
1991	-1.342859937758334
1992	24.504845649578556
1993	1.646866406467339
1994	-3.705744037349305
1995	5.9998564312142975
1996	18.969949610149797
1997	18.246572437284797
1998	3.2978356563897933
1999	0.3335630183132139
2000	-3.4519398289618124
2001	4.613434834827217
2002	2.1838111298482232
2003	10.580080864757818
2004	-7.814225591738051
2005	4.7854945766553385
2006	9.208046225628024
2007	-5.367399485046548
2008	4.960234407701975
2009	-1.2756017661301797
2010	2.275602183673243
2011	-2.049735850674807
2012	-9.049735387193067
2013	1.5900864885329327
2014	3.556609544052151
2015	1.2247205617483843
2016	2.8803846646807756
2017	0.8715493610597775
2018	-1.7999991260074495
2019	-1.5000012693624853
2020	-2.5000094059768685
2021	-0.599999972653734
2022	1.000000489090482
2023	-7.900000490301082