Year	annual % growth
1961	60.03190290832805
1962	10.04263550986164
1963	16.145927707495005
1964	10.739265610827275
1965	21.53638347825874
1966	-24.096194385776016
1967	11.728326994889017
1968	13.037528380820461
1969	-17.77795768975959
1970	17.81137859730886
1971	0.1590246047855146
1972	-5.429391939144196
1973	3.61254414794368
1974	-4.837821580860364
1975	11.42935817479895
1976	1.850028820306008
1977	12.01039022025634
1978	3.8867278451713645
1979	4.954647317990762
1980	8.0945819610385
1981	5.99278171870661
1982	18.531848822836494
1983	2.4520290752769114
1984	4.8749669323211435
1985	10.150626738401968
1986	4.370147854766174
1987	3.967461665027699
1988	-1.1722434356074558
1989	7.474494221190426
1990	5.144048029537515
1991	3.013821083066233
1992	10.386260992962676
1993	3.9458436933326198
1994	-0.76511896180196
1995	3.825325500094351
1996	5.642178071599588
1997	-3.613666801007952
1998	3.0470914190242553
1999	-9.190904283375957
2000	5.121709755172034
2001	4.760135136363601
2002	-2.107413346661943
2003	8.891591512265506
2004	9.464015043592227
2005	9.227681527502867
2006	17.843309147149
2007	3.4841147413120694
2008	3.5614118891343196
2009	-3.450862052420746
2010	-6.807600237105376
2011	-7.432052696981572
2012	3.606977990539633
2013	2.6679847576570808
2014	3.436961255812008
2015	12.540752675293263
2016	9.03915973260115
2017	7.413258073231717
2018	9.861323080037579
2019	-9.696389534497314
2020	-6.058329485512459
2021	4.008117104207372
2022	3.454657600814599
2023	-14.290567813510918