Year	annual % growth
1971	1.9306042879389622
1972	5.5478045376361536
1973	9.838044981093105
1974	-2.313551583083381
1975	-10.617766644913232
1976	9.215293005210356
1977	3.8413533800195694
1978	4.918098732046843
1979	6.250085981247878
1980	-2.347839435565618
1981	-1.3782895799542132
1982	-3.9612278796069518
1983	3.130123976400867
1984	10.81354499320193
1985	4.204205554278758
1986	4.461820546881441
1987	4.685578243349113
1988	8.096082717784597
1989	6.547609136108875
1990	2.9743065175460686
1991	-1.4498211039887394
1992	0.016867430366886538
1993	-1.5479393399610615
1994	5.387775201694197
1995	4.060336733145604
1996	4.251474614260232
1997	4.768191528824218
1998	3.8440413160664377
1999	4.758332831818123
2000	5.512822413198464
2001	-1.3433178999690512
2002	-1.022732191146602
2003	2.698241827717027
2004	4.825166397435979
2005	4.058992981486327
2006	4.238921994030022
2007	1.8361935691671363
2008	-3.2892274173548373
2009	-15.604216821895406
2010	7.510163841318217
2011	4.142705616908998
2012	1.0507904365824032
2013	2.73062739701831
2014	4.330668156348565
2015	4.056160486157353
2016	1.0173512126492312
2017	4.631570463564927
2018	3.773166372453659
2019	1.9669020062067943
2020	-4.644700114825625
2021	6.758189754322274
2022	3.449361281329331