Year	annual % growth
1961	3.821923561034211
1962	7.726537216540933
1963	7.604205782777811
1964	16.33222823819594
1965	15.809209534050808
1966	2.4654411672274676
1967	5.0694625059503124
1968	1.4477016043966842
1969	8.744413027381654
1970	16.03050203321024
1971	2.3809842350175074
1972	2.3537070618932887
1973	4.081400524494526
1974	10.587489468991947
1975	25.39410840268812
1976	9.163199397845261
1977	-4.620910119217243
1978	15.66193873969064
1979	2.127192850660876
1980	-1.3051260549531492
1981	15.65827410575622
1982	0.2980610992316457
1983	2.9748373274152584
1984	0.32979761524130424
1985	3.391832714029988
1986	1.5082755866317399
1987	5.478350661529859
1988	-1.5494583799185193
1989	-0.07965718752053874
1990	10.108157195699732
1991	1.9805369331724876
1992	1.9585058414094902
1993	4.432481155936259
1994	6.425986020571116
1995	-3.303205968373746
1996	6.975100698510531
1997	-2.682725444038894
1998	5.937024770626692
1999	-8.23293041239181
2000	17.238244043858117
2001	2.3340969120926474
2002	1.8408753694776294
2003	-0.6275530847108968
2004	4.738396269136629
2005	3.955912434000709
2006	3.4957661467987577
2007	2.8196378337255226
2008	8.195737236534796
2009	-0.8796271062949614
2010	1.801340747593926
2011	6.116962569682485
2012	4.104549052012985
2013	0.8275312297071338
2014	-0.5839125034039085
2015	0.7082560586353139
2016	0.169793871256104
2017	4.805375929492769
2018	0.7269096083828259
2019	-2.1981599571765855
2020	-10.540795091423362
2021	17.17924046290362
2022	5.970632934631652
2023	-1.792879290587976