Year	annual % growth
1966	-16.559094730935612
1967	53.865941693785516
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	8.54700267990114
1977	9.291294773802434
1978	7.060559522451882
1979	18.034967815948818
1980	-7.867700311216055
1981	10.024708730675286
1982	-2.812132495659199
1983	-10.069448748598163
1984	17.117133566140936
1985	-12.857144118220688
1986	19.293799737634146
1987	-11.310786247949281
1988	-0.834303955614331
1989	26.340633571750445
1990	10.393308852402953
1991	0.03391489381203883
1992	2.0146572990752674
1993	12.073602164603187
1994	7.048441628269046
1995	0.1496331042124126
1996	4.775400193611219
1997	8.19860068070355
1998	5.149416629007646
1999	7.434664005906626
2000	-5.455816787181604
2001	12.390692753785189
2002	0.800179034833576
2003	-1.0143424417509266
2004	12.831374118377354
2005	-15.439295068974104
2006	7.016409536193535
2007	-6.01001319064126
2008	10.209786279608252
2009	-1.361535298860943
2010	4.747169334916464
2011	-11.07989270799284
2012	-1.9177695903669303
2013	5.883043985078089
2014	16.51754003572836
2015	5.876747437020697
2016	5.966390999845956
2017	1.4221199287981676
2018	2.3166326462207962
2019	-2.289217572759597
2020	-8.32068171492223
2021	-1.7234478420725168
2022	1.0416020472819696
2023	-0.3999968473657134