Year	annual % growth
1961	5.550654808619242
1962	-0.8946836829316283
1963	-7.653343745769021
1964	-0.9980082681457105
1965	8.676293479156286
1966	-6.836264111110708
1967	3.2191742679052737
1968	-6.662143743422348
1969	9.728279415715065
1970	-1.8506494058027556
1971	11.059520729800653
1972	-7.181703508711351
1973	-4.168099869271899
1974	81.16838181558629
1975	12.6418772427713
1976	-26.511479959408277
1977	-12.1012039967801
1978	6.1128463747374155
1979	-3.5729921966499205
1980	5.720682375471412
1981	-7.846601362653232
1982	-6.681323562149515
1983	-8.5036218164189
1984	-0.03188523399819587
1985	10.482091954375278
1986	-0.6021547699924668
1987	15.599590813287108
1988	-15.795281043189405
1989	-2.48847925748656
1990	-15.122873346543344
1991	14.476614813101008
1992	27.237354014844954
1993	5.351681946259873
1994	11.17561675660788
1995	7.9634464487588446
1996	7.6783555432498645
1997	3.3127456352203097
1998	-6.413043507396267
1999	14.634146478078819
2000	-10.182370843022667
2001	3.722504163880913
2002	6.035889040332876
2003	-1.743589766706549
2004	3.183716221911581
2005	-13.707637849681305
2006	3.9885856503632624
2007	0.5603763827194683
2008	2.341006632852128
2009	3.2236806274167975
2010	1.6841749811374456
2011	4.624301451320818
2012	4.76211731214633
2013	4.056145998532429
2014	7.67414457491482
2015	3.2505038640137514
2016	-11.107609958913756
2017	12.66590246799342
2018	6.631281309503393
2019	-0.49547253825255666
2020	4.1494974390572565
2021	-9.070236092366287
2022	11.938271353923113