Year	annual % growth
1961	8.949271934504097
1962	-1.7439509287845425
1963	4.911218864091666
1964	10.593546381253049
1965	0.4816689830021943
1966	1.6963450277695387
1967	-0.4764414393998493
1968	3.061650853970761
1969	4.043361362977691
1970	8.741124446072519
1971	-3.519349252300799
1972	-6.1724886917703685
1973	-14.019881388612575
1974	-4.836097860017702
1975	-4.607814001993475
1976	-0.15983860199237654
1977	-12.501114352969495
1978	15.695297616891509
1979	3.1218237784643037
1980	4.055991820687083
1981	-3.395966399146772
1982	-3.16970701258073
1983	2.6205472180002403
1984	7.201958502949097
1985	1.319950499627737
1986	2.8577346454900407
1987	2.7370707867425494
1988	3.8799741573146065
1989	0.9029976952757295
1990	7.638729177444333
1991	-0.3169117813725535
1992	3.9456879597457544
1993	3.405020991194178
1994	3.662323197594276
1995	3.74623764780344
1996	-0.09636321783365531
1997	1.0501798497240031
1998	1.6892292228067163
1999	3.990841499115575
2000	4.9751414567221275
2001	4.132644873098698
2002	1.0571861622522505
2003	4.051704832237647
2004	5.969458598951505
2005	6.731798052672616
2006	7.047648703740748
2007	7.433895084836124
2008	3.9802850262142186
2009	2.291738473051666
2010	4.604029902466863
2011	6.491678835306686
2012	4.114260764150984
2013	5.127413561211654
2014	4.005587378853576
2015	5.817129635181217
2016	3.002255147413706
2017	6.269140139865954
2018	9.413220736799516
2019	4.855419609094085
2020	2.996799855998546
2021	8.015464418818311
2022	7.476516769183377
2023	1.9849663018371757