Year	annual % growth
1961	31.70756001195258
1962	5.554715268849719
1963	0
1964	0
1965	21.053197205803343
1966	-26.087042297979806
1967	33.333778192980105
1968	-8.823205581190507
1969	-1.6137531287050422
1970	-34.425699047108964
1971	49.999149211318894
1972	33.3340895942282
1973	0
1974	37.49936190848916
1975	45.45460170529779
1976	18.75018611081569
1977	15.789247435089138
1978	40.90920341059561
1979	29.032314724958184
1980	83.08064823511796
1981	8.735499928899571
1982	-40.838527367402556
1983	8.91527691291904
1984	12.024975592155542
1985	64.18750821485196
1986	17.827813136685705
1987	109.50990071435962
1988	38.94195936091842
1989	4.711155351260274
1990	6.542257632004706
1991	38.951199046462335
1992	26.694573620698733
1993	16.7659542577252
1994	19.398511586523043
1995	15.716584781216909
1996	7.17855418608471
1997	19.720263067364073
1998	32.29231611612488
1999	2.010340551870101
2000	6.813063999583662
2001	9.594095040662395
2002	22.558921886515265
2003	6.946624070956872
2004	4.220184467002028
2005	12.442177880580104
2006	7.273964417561444
2007	88.72514040783093
2008	-9.118880483084169
2009	-8.237079646851157
2010	-5.696644631357657
2011	1.1252880518459705
2012	6.409537753408671
2013	0.13466332886424937
2014	1.9293349281152388
2015	-2.3681318615018654
2016	3.1125292915116916
2017	-4.461216506449119
2018	-7.665814271105987
2019	5.318710065254351
2020	-4.45667330559175
2021	-3.492374035500987
2022	-5.307575065033049