Year	% of GDP
1960	7.623460023846997
1961	8.563691227928004
1962	8.613096739057749
1963	8.956122208787939
1964	9.80227080530605
1965	10.110356225913165
1966	10.070512685542521
1967	9.926964246044163
1968	9.730324046333497
1969	9.376664420919514
1970	11.890398457268201
1971	12.094504315923157
1972	12.79418546082766
1973	12.573957806743936
1974	11.18731589853114
1975	12.025892379037046
1976	11.862794038446824
1977	13.704014292640018
1978	10.864832567403921
1979	8.387333016149572
1980	13.361529902656311
1981	13.125612039147406
1982	13.812932940068547
1983	13.45176361122989
1984	11.799792641352374
1985	11.722885240687335
1986	12.430930472008601
1987	12.204764022881681
1988	8.507760086094601
1989	8.58435859444137
1990	7.273748481908428
1991	7.612172516438657
1992	7.859557990146477
1993	7.985638221849056
1994	8.797005447407663
1995	9.878349949693588
1996	10.359423624323409
1997	10.238533294599916
1998	10.981265299595291
1999	11.548990633407708
2000	11.450626855092368
2001	11.717170610375453
2002	11.165025870435048
2003	11.51871662988103
2004	11.256279202404194
2005	11.44451224132499
2006	10.916695088382925
2007	10.455030294688967
2008	10.370861790830661
2009	11.466355995306959
2010	10.525835924603632
2011	10.362351468875318
2012	10.87121234484808
2013	11.500930906843085
2014	12.402090375955414
2015	12.965573379923761
2016	13.163688803522794
2017	13.212275196260407
2018	13.077442494956177
2019	13.244372585251135
2020	15.818103038008852
2021	13.748263849359047
2022	13.371958334082631
2023	13.67366697941828