Year	annual % growth
1961	18.176892851519824
1962	0
1963	-23.083396909717308
1964	20.012392868738146
1965	0
1966	-8.331144359840948
1967	0
1968	9.088304093752825
1969	24.993597684014986
1970	-18.843808784680334
1971	11.913729775960007
1972	-4.8697649278304596
1973	-1.3095373069962335
1974	5.428297730953432
1975	1.8305058570866777
1976	-21.011092186983788
1977	37.1267218675458
1978	-5.186910385676583
1979	54.59448435664112
1980	46.356229323443245
1981	-8.238924251044011
1982	-42.57997269669747
1983	-6.923725727803003
1984	4.705111379162204
1985	-13.037929648434158
1986	17.867442139475713
1987	11.485167695207195
1988	-9.208045173906214
1989	-16.516687958708914
1990	-1.8999169830352827
1991	80.05569905190382
1992	65.68396138605576
1993	14.806609130904079
1994	21.13103334978635
1995	-9.806630115677748
1996	17.529090905115538
1997	26.871553106970296
1998	8.413928637213957
1999	-11.266769210357708
2000	-0.15756863468612892
2001	-13.946582070214333
2002	-50.059553930090416
2003	37.56537155021417
2004	40.12178003437651
2005	15.84823188548529
2006	10.991862910873124
2007	19.640284298795493
2008	13.562186985111467
2009	-18.416439385269285
2010	35.20441734075243
2011	22.028616584999156
2012	-4.728263216140505
2013	3.882880978118976
2014	-11.479994914349916
2015	4.711318807444826
2016	5.824163031323366
2017	15.583795606012956
2018	-4.461337004290229
2019	-18.697229551098957
2020	-17.21067118027328
2021	20.43747838114487
2022	17.87505736625876
2023	2.1607120005023575