Year	annual % growth
1971	6.972388856325324
1972	8.061156910557827
1973	13.869755730850656
1974	13.556723075227666
1975	5.029283784768651
1976	1.779334529703405
1977	1.9675835434538556
1978	3.526144629209128
1979	6.304565137441003
1980	13.448522481376529
1981	-0.6990578884555418
1982	-16.335598516651274
1983	-20.406671522346812
1984	2.491904211845579
1985	12.714118688430062
1986	-0.3212861065864985
1987	4.360377343606331
1988	0.9694819537085806
1989	-0.15180225669288916
1990	-2.4804333003971095
1991	7.820968555620553
1992	6.426468059435095
1993	7.542071384784222
1994	14.631787592618764
1995	-6.435599397429868
1996	6.521738955548443
1997	11.480961195782953
1998	3.315725695892695
1999	-6.96059930136434
2000	5.296169417172635
2001	-3.7113806035875
2002	-4.78558605050371
2003	2.0024795203477765
2004	10.112062877661401
2005	3.467612424044674
2006	10.100815530954094
2007	12.30345856517603
2008	11.060844133818733
2009	-15.214382948994796
2010	19.649828850856437
2011	9.278832360056882
2012	-0.17141451426290644
2013	2.587010049321364
2014	-1.7275869373309831
2015	-5.8472123649730605
2016	-6.171917720417838
2017	3.5071206413350495
2018	1.022588059014609
2019	-2.375871567209046
2020	-14.108384325737504
2021	20.85382664414088
2022	6.031221562590744
2023	-0.8740666902125014