Year	annual % growth
1967	4.793668742526847
1968	6.350015199631542
1969	15.61099098767697
1970	2.2390307729171894
1971	-0.0890263942413867
1972	7.071324544549327
1973	8.871774595461247
1974	-6.7243087980187255
1975	-16.244678845327414
1976	21.508529693944055
1977	-1.3444777176512872
1978	-1.4808112776248805
1979	4.346634007340896
1980	-15.008674529705686
1981	-16.427137667219128
1982	11.599654883004476
1983	3.4844755236007217
1984	18.479364663120236
1985	11.317001393887338
1986	15.849809459533844
1987	-3.517771627873273
1988	-3.15358411351923
1989	3.632406698539455
1990	-0.5367527131167833
1991	-3.9074548952010133
1992	1.9081248141118436
1993	-7.74848834531106
1994	13.50027812363264
1995	14.678157349169112
1996	1.0541348459318698
1997	14.407960249753856
1998	5.87864925355386
1999	-4.878228778634664
2000	11.744103569035275
2001	-1.4734934106272846
2002	-1.2015726939989975
2003	-0.6801024156795137
2004	6.760587191644191
2005	5.532045465912503
2006	12.76583134340568
2007	2.6722031346523494
2008	-4.796714801034071
2009	-21.23139505886806
2010	-0.5871966996788558
2011	5.45431160221564
2012	2.2948209069957386
2013	3.3908030561132563
2014	4.289789247105077
2015	5.2396088281937665
2016	7.601095336316035
2017	4.218712323427482
2018	4.348118344516109
2019	-2.1477594764236017
2020	3.572002716844679
2021	14.354939969674959
2022	4.446358331382783
2023	-12.223235387109625