Year	annual % growth
1961	-1.517716375879374
1962	16.39349728364114
1963	-2.4026983987232313
1964	-2.7998287623771887
1965	-17.85119591001626
1966	13.922059338655728
1967	6.295615310014185
1968	-0.8088420527779192
1969	-1.315765618697668
1970	4.440764383817395
1971	8.121616203105319
1972	-6.017493687570536
1973	5.844687088939509
1974	-17.692898014983555
1975	35.54643267017627
1976	-4.932277845019641
1977	49.65887260711318
1978	-6.326569090919179
1979	10.661294196783018
1980	-16.66466881562377
1981	14.62384088056072
1982	6.98145971658397
1983	-2.2739517875433535
1984	0.19186154527741905
1985	0.9143560833309436
1986	6.5238534864776625
1987	0.24938004681114023
1988	-5.476337298166229
1989	9.874404493744905
2014	7.666455382361775
2015	7.33850707185897
2016	7.230350319442465
2017	10.98701534550753
2018	3.133436963098532
2019	3.220688561001907
2020	-0.36120504150818533
2021	3.208638642495984
2022	5.365817203508911
2023	4.053759628355792