Year	annual % growth
1961	1.5872661272518371
1962	2.207391625638806
1963	5.2048076103549334
1964	9.072455119710582
1965	1.7018777410445551
1966	3.553712992231439
1967	4.734778423541002
1968	1.231185184375434
1969	2.7410485420900272
1970	5.535735850329274
1971	1.8723308850476599
1972	-0.22760735529236342
1973	5.1669156449059415
1974	3.1485223866614973
1975	3.678512788740605
1976	0.8041156279986694
1977	2.3173404401476603
1978	1.788159192897453
1979	0.1653361036409109
1980	3.200021419998933
1981	5.140632168602053
1982	4.727759843815278
1983	4.752483831487652
1984	5.425607484156899
1985	2.5776901687797817
1986	2.4919980200577783
1987	2.521840395165299
1988	5.313676337102308
1989	2.6631871200123385
1990	4.203337871305351
1991	0.9457590621002652
1992	3.3754302123401203
1993	1.0388239621669868
1994	2.3449896972415303
1995	2.3251959180705057
1996	5.094030030032187
1997	1.3177957842071635
1998	2.705101426696615
1999	2.760038029754483
2000	2.0457590798856273
2001	3.5788751601672573
2002	2.5948272060097253
2003	3.977183495084475
2004	3.78453619735906
2005	4.590186864093937
2006	4.225158944985495
2007	3.0394496669217546
2008	3.159144077517169
2009	2.3203028103339562
2010	4.396645048764086
2011	4.601297174496395
2012	2.6526086591068747
2013	4.454515844432947
2014	2.8949791041832214
2015	2.669708804294018
2016	2.733349169191257
2017	4.392971119346527
2018	2.751700089429221
2019	3.3983570713981948
2020	2.649615424858311
2021	4.0950673995323115
2022	2.8936503004005374
2023	2.731374096648878