Year	annual % growth
1961	-0.18587321234792853
1962	-0.579831239915535
1963	8.404077895917197
1964	-6.512049661695201
1965	-13.864176468399563
1966	25.84036221009356
1967	4.956135514134516
1968	3.1380407765017964
1969	-1.9380043095582522
1970	31.557816349037836
1971	1.0520372062650551
1972	8.237854446848615
1973	4.963455873943218
1974	8.199797298769383
1975	16.448838321958164
1976	19.818836917647758
1977	-3.5673562473354963
1978	7.803030302782048
1979	11.154191000104063
1980	5.237329689731027
1981	-0.8169340532932949
1982	6.020508022429169
1983	-0.9149182733915922
1984	7.297851953878265
1985	-6.314910873289378
1986	5.432381019686417
1987	12.727278509433873
1988	7.473063360549887
1989	11.97913339722976
1990	11.10441821173525
1991	9.662286331283767
1992	4.893244254076933
1993	13.779593760880516
1994	13.043665086423246
1995	31.396073098590193
1996	6.289730437698736
1997	-2.3281762408723097
1998	13.884321839237913
1999	17.999469478925548
2000	18.153511026271957
2001	4.309524517499824
2002	21.085002814871444
2003	9.582219919675879
2004	27.176411820511376
2005	26.085074425046415
2006	20.39380550153689
2007	5.866539047872507
2008	14.778135134060719
2009	-4.834225353041134
2010	19.47813545849219
2011	15.492981450676993
2012	6.805488797913739
2013	7.7923892385159945
2014	1.7775907333537901
2015	-5.6470872745776575
2016	4.984257621149936
2017	4.564707763075688
2018	11.931870746761348
2019	-3.3849781623708424
2020	-6.956238278617306
2021	29.599294502029494
2022	13.398773727942583
2023	1.5230683214724365