Year	annual % growth
1966	6.85044370457706
1967	4.748088788084331
1968	8.17514521131561
1969	8.743132636255766
1970	6.118625074379594
1971	7.161077208821865
1972	8.609749548675282
1973	9.403885876014911
1974	6.184917016369013
1975	1.9526905304128945
1976	5.878593241863001
1977	3.689678412796596
1978	4.095318314145999
1979	7.567140473457229
1980	5.610971586616813
1981	-3.304893977652128
1982	-1.9760218742908222
1983	-4.141198864248594
1984	5.001724301359573
1985	3.9698696263815094
1986	4.6451454812356445
1987	2.2971601447712544
1988	-1.038788965970511
1989	2.5318448278049743
1990	-1.7203356493787538
1991	2.5714644319950963
1992	1.3379405132294693
1993	3.056383013037788
1994	4.719967076118081
1995	-1.2856166944115017
1996	3.987781931599187
1997	6.143993427614248
1998	2.019842937251397
1999	-1.1147347117401267
2000	5.255005935752607
2001	-1.2126974456580797
2002	-1.1592849471669666
2003	2.73552480089036
2004	6.188244718055742
2005	3.4254752700128677
2006	4.31662562732113
2007	4.149648577620567
2008	2.114593498275255
2009	-7.941260301444018
2010	7.537202793649087
2011	4.078205266983588
2012	0.907131244667994
2013	1.5572317938173939
2014	-0.47340134503748743
2015	-0.7489814924288964
2016	-1.35644755152218
2017	2.079524424077661
2018	1.1153963022936892
2019	-0.8256875213130712
2020	-7.365672331537382
2021	8.670792857631952
2022	3.3815544949301
2023	-0.609227469367795