Year	annual % growth
1971	3.4677087069176338
1972	6.32802191131168
1973	5.524609605878965
1974	-4.1910098569453
1975	3.0408545311078115
1976	3.8600627612390497
1977	3.873578741450274
1978	5.5367800325004595
1979	2.072119229273369
1980	-0.6047259893663295
1981	2.514756710980137
1982	2.3728305079334433
1983	1.9937725285502665
1984	4.115653363956341
1985	5.570778245848658
1986	3.747218464952496
1987	3.452040807844895
1988	6.941086523871547
1989	4.040019213877159
1990	4.385159293643142
1991	1.9958930102315122
1992	-0.534568594525382
1993	-1.2158922993495338
1994	2.0506206671946785
1995	2.8996160778302027
1996	3.194514969572708
1997	-0.1616237522200663
1998	-2.116971251303184
1999	-1.0746185382447493
2000	2.5674484464468463
2001	0.26661267369017594
2002	-0.6819979361535644
2003	1.3994530065587725
2004	2.3861724103309427
2005	1.2667723470839292
2006	0.4337994993290408
2007	0.9626812947049359
2008	-4.728399788600726
2009	-5.805306405603787
2010	4.935408340015783
2011	-0.5708747999677399
2012	1.729071504037421
2013	2.8465341145118117
2014	0.4872347696822885
2015	4.16679819901087
2016	1.4505397816857055
2017	1.4793221852761178
2018	-0.24432585316945676
2019	-0.2351155112640555
2020	-5.095942789936288
2021	-0.8213729748067635