Year	annual % growth
1961	2.1259196705472334
1962	9.580997353682477
1963	20.092551212163997
1964	12.127356134874617
1965	17.14602866924089
1966	16.96773772090458
1967	11.246039840633614
1968	9.729473444390877
1969	-3.644027835631533
1970	13.343055010007987
1971	-10.693069157866944
1972	-4.2128603889493235
1973	20.83333327171033
1974	9.674323317633508
1975	-7.161566784319078
1976	10.065851355865377
1977	18.034182669821888
1978	12.599570650587609
1979	2.572347266682854
1980	2.257053291366546
1981	-11.342734518356735
1982	-23.582295989873074
1983	2.3529411777630287
1984	15.915119362159032
1985	0.38138825382543473
1986	5.623100302328126
1987	2.230215828933652
1988	7.459535536684214
1989	1.2442698115825692
1990	-2.846054333558726
1991	5.992010589275125
1992	7.474874449502323
1993	7.071887677546158
1994	1.0917031709875005
1995	3.9956802416305948
1996	2.4402907642482745
1997	-1.419158627957728
1998	7.506426861124453
1999	4.2563365852278
2000	3.807339479319481
2001	3.5841484365405307
2002	5.902666577630839
2003	7.885728992407664
2004	16.166416183592162
2005	3.615814916276136
2006	4.056064078895602
2007	10.886595267708003
2008	2.3808419602569018
2009	-26.20929452227162
2010	15.204755479111796
2011	12.666060790855411
2012	6.278771168923996
2013	-4.096478078745264
2014	3.3644740957664396
2015	8.466691384668067
2016	-1.5711846272230332
2017	7.162557387669665
2018	4.521109434230979
2019	-1.4964677354993654
2020	-17.637311140721337
2021	32.648540727665335
2022	8.509045338122206
2023	-9.297291633675812