Year	annual % growth
1961	-13.332961088488688
1962	-13.76511826271323
1963	33.33302278165863
1964	8.450552856985212
1965	-9.415510578663415
1966	2.8673352496099653
1967	12.194833537423676
1968	22.360556653803783
1969	7.360348237218119
1970	-8.037815100234113
1971	17.994955195611922
1972	-22.87570325091302
1973	4.237422198197834
1974	6.232601402795268
1975	-4.081570170071899
1976	-16.223211957619355
1977	-6.03155672416726
1978	0.6751555823878022
1979	73.49008127810609
1980	-10.082703289125135
1981	-30.804080622628632
1982	-27.475813779470798
1983	-0.533965980522936
1984	4.854085188472965
1985	2.443691123289014
1986	7.77355305089371
1987	14.153558343208644
1988	39.29917648738976
1989	-0.06728171806200578
1990	16.743140332061785
1991	-36.14110169389898
1992	9.60179760356526
1993	8.51722785118821
1994	-12.09491715534348
1995	2.6477957671132515
1996	11.573726147041796
1997	7.3137250228429735
1998	17.904333078540134
1999	2.864563667500903
2000	16.369896201957147
2001	23.08448428056036
2002	-36.390830326295344
2003	43.79490881052769
2004	27.11591036152143
2005	-0.06479091358157518
2006	18.9711962598098
2007	34.83804008235779
2008	62.719304295401486
2009	-12.950260135852645
2010	-15.566564316631698
2011	-3.047471422827684
2012	2.3340000480626344
2013	-4.30218821025062
2014	-7.818795754327979
2015	16.137579682601455
2016	13.817532398607796
2017	-7.405252226386992
2018	43.07224782422588
2019	5.743937571346464
2020	-11.260512434255318
2021	-26.63635044650833
2022	3.2563579025354272
2023	2.649225388429997