Year	annual % growth
1961	2.617527741564345
1962	5.10343466976191
1963	2.190548590179489
1964	8.422459871767558
1965	6.788498221627833
1966	12.949497315763097
1967	2.636499888786716
1968	7.643248194306196
1969	5.745834112624237
1970	36.289781440052764
1971	9.238508442624635
1972	10.331051328497765
1973	15.848169273374552
1974	20.641026209659145
1975	-4.011972526278612
1976	-1.0960655498600858
1977	-2.004699822668499
1978	6.265045752797278
1979	12.201309140120657
1980	13.324685971618294
1981	-0.8284161516582316
1982	-21.708087672249192
1983	-9.519523630379481
1984	2.1647229557741667
1985	-1.7910271420958992
1986	-0.99787648803715
1987	6.202903582208592
1988	6.04541844576039
1989	4.157381399816387
1990	13.93334062178711
1991	13.085857459550738
1992	16.263644802951035
1993	7.834508848804717
1994	13.616373892266196
1995	-1.0342133622140892
1996	8.837308417579365
1997	17.278864226915843
1998	7.775390191223323
1999	-3.733849440887738
2000	12.592655205886658
2001	0.2036840450744677
2002	-3.714056177673939
2003	3.9623354517165836
2004	9.957810544661854
2005	8.183169902313779
2006	10.426084461876158
2007	10.434771755548923
2008	9.130069646239107
2009	-13.615808077066688
2010	21.973370960437876
2011	9.363388969887424
2012	2.496531589721826
2013	4.476968979296132
2014	1.1983274008297258
2015	-1.4464925570263745
2016	-1.0881360207774549
2017	6.227333997175279
2018	5.031727116258281
2019	-0.8414956468656101
2020	-12.738552838816346
2021	17.94592801363504
2022	7.272869912655594
2023	-52.78152867657585