Year	annual % growth
1961	44.05594405594405
1962	19.320388349514573
1963	23.533134436307762
1964	21.27488290398128
1965	12.684810814072776
1966	3.111444331387574
1967	14.054222499220941
1968	32.654826958105645
1969	29.00346709690706
1970	33.24108568387442
1971	24.408851254193962
1972	14.75101935980993
1973	6.807212903767336
1974	10.750631966364992
1975	-0.3618860650212383
1976	5.180947407152445
1977	1.391396587523701
1978	12.907210987323168
1979	13.406147112749636
1980	20.66564678476435
1981	16.09482715151165
1982	21.03199225633516
1983	11.017122936532346
1984	9.79773724313091
1985	-11.72282108114247
1986	-12.302400259178441
1987	0.5921595897257532
1988	5.70419416510947
1989	15.831476977785044
1990	11.26108244012174
1991	13.293292102759267
1992	11.956426649310117
1993	9.777801393390618
1994	9.902853465899057
1995	12.258194884495708
1996	24.114280439398144
1997	10.553687905810946
1998	-5.021940188808401
1999	-4.5028262193826265
2000	11.414764762166143
2001	-5.207192573089102
2002	-9.153988640254227
2003	-5.156372603968165
2004	10.2940876801878
2005	3.639873996545063
2006	9.43817340397463
2007	15.50480534288971
2008	10.755848390317652
2009	5.486966353940659
2010	6.750486454123632
2011	6.365449677057526
2012	8.629667191828744
2013	6.158901900301217
2014	4.220241672904535
2015	1.9600159921878912
2016	0.5313560814462619
2017	5.112112499093911
2018	-4.950836441374392
2019	2.4573923017658075
2020	-14.161249613268339
2021	23.589550194011437
2022	2.4821266380438516
2023	-0.22137394517834252