Year	annual % growth
1966	-1.5280948578403297
1967	2.5410936408673876
1968	1.8404779800493145
1969	8.827984917102128
1970	10.588887545710591
1971	4.949535949085089
1972	0.6523330197901913
1973	3.8112325218409495
1974	5.260517532020501
1975	0.9776427226756397
1976	-3.401488788329601
1977	6.04675801773584
1978	-1.788927364213862
1979	11.04033573705614
1980	8.428728219279023
1981	-2.313216866159479
1982	-0.650503348145719
1983	3.8571916711452445
1984	2.013124404543305
1985	-3.839809969825012
1986	5.13630839929408
1987	3.0224178173059926
1988	-0.3756074033778276
1989	-5.537751660779193
1990	-1.710036309198074
1991	9.388580275335428
1992	6.941984110856424
1993	7.289319433512347
1994	6.3890315405701585
1995	-2.344851734342612
1996	5.677332311426824
1997	7.8750567069940445
1998	4.701107650948359
1999	-1.9429365935421856
2000	0.3430914929050317
2001	-4.348301769891634
2002	-9.715289924388827
2003	4.2458321006863
2004	6.877266609540158
2005	9.100513305613589
2006	8.505427580893127
2007	9.088671962995676
2008	5.129031422663559
2009	-2.054639568426836
2010	7.089823508627148
2011	6.444826911164242
2012	0.6687530190401674
2013	1.909762037832465
2014	-1.6443775429154357
2015	2.6601380133606227
2016	-0.008736041469447287
2017	2.5734458852340083
2018	-0.78707043111838
2019	-3.052335631163956
2020	-10.561133930037954
2021	9.443830121458575
2022	5.969380578021543
2023	0.6637817813767839