Year	annual % growth
1961	18.764939980477592
1962	61.88863623260323
1963	-23.493379044380063
1964	25.297933031433487
1965	11.852870219963975
1966	4.241953085560439
1967	12.884694571661484
1968	34.9236284313603
1969	-7.883476542683837
1970	-7.077978780991415
1971	-24.084743987832425
1972	-55.642971436265235
1973	96.48084935530449
1974	147.3316460333626
1975	-22.088928773298917
1976	18.251090175016714
1977	26.224335668269887
1978	25.8106537940741
1979	11.378518993955296
1980	17.44723632613278
1981	22.856336056455078
1982	8.590092769278044
1983	4.512158548949202
1984	9.956035730483975
1985	5.923776598169852
1986	5.613789972437644
1987	10.290120028051234
1988	1.5319636693943863
1989	4.925615053115621
1990	5.515409575212303
1991	2.4592025910794746
1992	4.007492561476738
1993	11.164002602016424
1994	9.237543482878664
1995	9.608162657336663
1996	11.951675808994693
1997	6.459445402522675
1998	9.113163584598354
1999	8.586601591285884
2000	7.117690366135861
2001	7.934721806063337
2002	7.420112771892988
2003	7.657353998847526
2004	8.208579836506757
2005	9.763639895665051
2006	9.887953375937258
2007	7.146867475546983
2008	9.815105925168965
2009	7.38814464911232
2010	8.564621889302131
2011	9.560947128207545
2012	10.567729551718301
2013	5.364641790579427
2014	9.85505132803732
2015	7.11880073316722
2016	8.909372150682188
2017	8.359573659353785
2018	12.13290122411344
2019	6.8802802368661276
2020	3.945871701546082
2021	8.090779148868464
2022	11.653372524114019
2023	2.2109555960770706