Year	annual % growth
1978	20.27698863636364
1979	15.618541482137587
1980	18.82022471910112
1981	21.878358048570817
1982	0
1983	2.168929642038435
1984	4.021401449775624
1985	3.003152480504397
1986	3.9948453608247547
1987	3.980793060718696
1988	2.115298674214202
1989	2.99051787016775
1990	3.002832861189802
1991	-5.500550055005505
1992	-5.995343422584412
1993	-4.984520123839005
1994	2.003910068426194
1995	-4.999201405526279
1996	4.034969737726968
1997	5.995475113122168
1998	5.503887787772527
1999	4.494219653179201
2000	2.9871387083390886
2001	1.8799516583859202
2002	5.324897851588247
2003	1.4641471655612435
2004	4.810064134188451
2005	4.871734525770762
2006	12.421454219030508
2007	9.142629004890708
2008	-9.135802469135797
2009	10.617954911433173
2010	-8.816304248930933
2011	2.7738974256635345
2012	-13.844660194174764
2013	15.69754338517015
2014	4.529073731372364
2015	3.1494595601938187
2016	7.000903342366755
2017	5.006331785563532
2018	8.506190705901261
2019	1.4522821576763363
2020	-23.99941571720713
2021	4.968287526427062
2022	-1.318319143092566
2023	0.1206048798589876