Year	% of GDP
1960	10.127756215117937
1961	10.468031635369021
1962	10.292619121609963
1963	10.873848651424879
1964	10.647817363485911
1965	10.831677566907471
1966	11.1483823413646
1967	10.587568328262385
1968	10.846129959236302
1969	11.106561207704736
1970	11.254165035020563
1971	12.174550075744577
1972	12.39091147152255
1973	11.994887044927282
1974	12.093979775056463
1975	12.97981490115048
1976	13.366900025404682
1977	13.187086395508798
1978	13.657397167113745
1979	13.386666981428197
1980	12.992881552488875
1981	12.525782910557998
1982	13.0773774354
1983	13.358100283841704
1984	13.529680051473683
1985	13.655883700437709
1986	14.274973531592758
1987	13.822800671000765
1988	13.490438278382205
1989	13.485196266328439
1990	13.069012642761749
1991	12.763442155668269
1992	12.847467072523667
1993	13.213287646003865
1994	13.135434616302552
1995	13.589411367998638
1996	13.180213312477045
1997	13.379361074485383
1998	13.771095688523783
1999	14.160374664479496
2000	13.860168743444747
2001	13.992683436551898
2002	13.836382214380501
2003	13.626935939003108
2004	13.326573288946872
2005	13.339533255032169
2006	13.314229741232753
2007	13.35641937304772
2008	13.521164501381259
2009	14.436595444389551
2010	14.109541169284448
2011	14.488882996200731
2012	14.664335496148743
2013	14.783238010457206
2014	14.773539299426524
2015	15.065709903676241
2016	15.1461756467428
2017	15.106530814830094
2018	15.084920858581311
2019	15.208750022105797
2020	15.798697371939976
2021	14.705373347151887
2022	14.611521861888999