Year	annual % growth
1971	0.38244403642838165
1972	-1.5044448480354191
1973	9.98509151241565
1974	15.759786301933246
1975	-0.257952639277363
1976	-15.96519742691055
1977	-4.713458776508148
1978	-9.394152618322238
1979	21.55905909517999
1980	13.519559184614693
1981	-6.084761045987378
1982	4.662416468238732
1983	1.7356524291794955
1984	0.48692515779981704
1985	2.2182340272792516
1986	1.2114614790364584
1987	6.310932241612605
1988	13.79479146269827
1989	14.362327568900753
1990	-6.284324297213928
1991	-23.328249177169454
1992	-11.548528949848176
1993	-10.803345959595958
1994	11.77121118287181
1995	12.356037519293949
1996	3.011729895382004
1997	14.3174668308029
1998	12.91914689958422
1999	0.5350993377483348
2000	10.779405564924119
2001	-0.18314582689151848
2002	-2.034980698660817
2003	2.5807550107024753
2004	5.5438313612975065
2005	8.00925613893196
2006	-0.21632415342374145
2007	10.48945218043859
2008	-1.4338540487510443
2009	-19.95061633871832
2010	8.498122952583628
2011	11.327823691460054
2012	-4.869840641393637
2013	-4.280511913432534
2014	-0.902213139701729
2015	0.6910471008928738
2016	9.024358359841386
2017	5.229816147082332
2018	5.748523463167302
2019	-4.976294806407594
2020	0.011339368397187854
2021	0.9070466184168282
2022	10.123785089608432
2023	-16.350650454893284