Year	annual % growth
1961	3.7202747190433882
1962	35.82559752307523
1963	-11.933503434433561
1964	-6.916618606447813
1965	26.38559765903119
1966	5.396001825517942
1967	-19.082428542017695
1968	19.90091576505644
1969	-10.200110873774165
1970	12.790204595214178
1971	31.118518055762024
1972	38.19074756420642
1973	1.9955505106507871
1974	11.866268214685533
1975	34.940237527352195
1976	7.599328794389024
1977	15.066435751970204
1978	-2.43346925351689
1979	-18.817551837527148
1980	47.299533934006774
1981	-3.725658511407673
1982	67.51987994612915
1983	-15.782237780976104
1984	33.99371547507678
1985	9.303483098814212
1986	-5.479787291147105
1987	-1.1292022741609173
1988	0.06959411945497607
1989	-11.555352806397622
1990	-19.23098728266099
1991	-1.0796618474753643
1992	5.726305357622991
1993	11.144286892697707
1994	-81.77223290255716
1995	155.78492392183824
1996	9.321399456844333
1997	36.20637467010897
1998	29.55771422426298
1999	20.071925996966968
2000	16.730297601447134
2001	0.10914631193494984
2002	7.72270596115203
2003	9.890705852280178
2004	11.901536178947396
2005	16.050495942290354
2006	28.5948388752127
2007	26.866129578737358
2008	31.976189522380935
2009	2.75883778056334
2010	7.090898150528702
2011	9.26640098318552
2012	22.25215134391209
2013	7.720228057496186
2014	5.433535532533625
2015	17.872130388055837
2016	8.457524994958447
2017	-3.401373085460193
2018	4.31910172891665
2019	31.1739597685889
2020	-13.223705943461155
2021	18.96414437763525
2022	-7.58468125447763
2023	5.785529222529945