Year	annual % growth
1961	-2.7327545894170697
1962	27.68008819581169
1963	3.4854414764740937
1964	2.15892293447439
1965	10.645463814597164
1966	2.0932447552247595
1967	13.369396391535986
1968	6.6118673673289265
1969	-13.864515687676246
1970	47.854789170885624
1971	-19.693196844077306
1972	-3.3696086134102785
1973	53.103897534635166
1974	52.45271530246973
1975	-44.62314741035654
1976	28.763666700558588
1977	38.91222937546169
1978	8.180797462414489
1979	3.3737647412597624
1980	6.934630041997451
1981	15.090559789227171
1982	29.770473477793104
1983	6.847938684536189
1984	10.589738531237742
1985	-39.15102777151428
1986	0.43225392803931584
1987	1.596510761670217
1988	31.84487968345144
1989	12.823348801532532
1990	8.410128795937439
1991	48.59411919164452
1992	-13.280528632051812
1993	36.815968598262145
1994	4.242005489437631
1995	33.73157147583271
1996	-0.2763145303550232
1997	16.828936292454273
1998	-43.24184063138651
1999	2.9227676908397484
2000	37.656838447762766
2001	-24.64878620202377
2002	28.034322462368607
2003	-10.903483137127694
2004	15.092707422717353
2005	-19.118526465597427
2006	15.302287968538323
2007	9.861848676169501
2008	0.18671405598109914
2009	-29.593294464816566
2010	73.04875926751302
2011	0.02443958757640985
2012	16.440305511174458
2013	-3.8851348564787287
2014	-4.180372815541929
2015	17.000723866075163
2016	4.430963767483931
2017	6.284134943093278
2018	-1.5686001980269708
2019	-3.7507095236406798
2020	-12.058405481774699
2021	7.708640479162753
2022	7.126044199729947
2023	4.405697930193412