Year	annual % growth
1961	-0.24478710764157086
1962	-8.296819111714555
1963	11.530913576204568
1964	13.791043015393626
1965	7.433997984133185
1966	4.241890048006283
1967	10.450226491860121
1968	4.962579404171748
1969	4.290268434439952
1970	11.876969796970059
1971	3.936134861623387
1972	2.1465977962013483
1973	13.460836224304913
1974	33.54177525036269
1975	21.332739958731835
1976	-2.142397175132942
1977	8.946219795512974
1978	-12.327053314052293
1979	-2.8221499537022083
1980	11.55615276173107
1981	3.753934394406926
1982	-12.8206764020496
1983	7.200249715218106
1984	-9.187384140011076
1985	0.48245343053193324
1986	-3.5516598326273368
1987	4.461431614420675
1988	0.26695338469141916
1989	9.656668179397741
1990	13.90496482307357
1991	13.414127637919293
1992	7.943275974062971
1993	2.944975368829276
1994	0.5554197230827356
1995	7.110009459887621
1996	9.323536268622902
1997	11.421640542646358
1998	5.474789997894575
1999	-3.3130522616712312
2000	12.287691751176766
2001	-0.372601846594975
2002	4.713159217147037
2003	8.703901150421729
2004	14.140352235201405
2005	13.232938520546881
2006	11.400943311639992
2007	10.274647980676718
2008	9.120544663212797
2009	-9.363452392620758
2010	13.066551108218789
2011	8.875520303711085
2012	4.226169581998661
2013	0.42001741392955694
2014	1.9931334886816927
2015	-0.7533684277128856
2016	0.68839727095569
2017	9.888258532678805
2018	5.124574400439428
2019	-0.9874966188559
2020	-12.933929726058196
2021	15.431431934908176
2022	11.193566694828206
2023	4.920876723654359