Year	% of GDP
1960	6.333657965706828
1961	6.473180023751611
1962	5.376371425137448
1963	9.00683897968623
1964	5.744808695210104
1965	5.388870673517624
1966	5.733090200087739
1967	5.677192175423339
1968	6.599751918104168
1969	6.604359307625199
1970	7.449747761150189
1971	8.193696478917103
1972	8.859838657558491
1973	9.011315707108578
1974	13.294650257963724
1975	11.016323541958723
1976	9.402384910805438
1977	7.90998824970282
1978	7.884901519201724
1979	9.326102558238219
1980	11.19301261870226
1981	10.01008362174081
1982	8.590685846409338
1983	9.656596957274168
1984	8.79466213028454
1985	7.501187487932325
1986	6.643375075245143
1987	6.433915311739352
1988	6.099886162084692
1989	5.461267975324345
1990	6.958364958066489
1991	7.914441163785954
1992	8.38506312730241
1993	9.096048892049126
1994	9.161683369082233
1995	9.455584960724819
1996	8.905381792741316
1997	9.592559686015747
1998	9.408084592487837
1999	11.41726821724905
2000	12.451713352414597
2001	14.564574352134036
2002	13.387767130853392
2003	12.959601014473154
2004	13.132490966818263
2005	11.842965938314734
2006	11.667383585004536
2007	11.964936270580836
2008	13.723568904076036
2009	11.254604470608825
2010	11.906593337308442
2011	12.351892497044362
2012	13.2367345392086
2013	14.04372668039483
2014	13.673462994075225
2015	14.053434518270914
2016	12.067003036051073
2017	11.800766504608093
2018	14.241203880675732
2019	14.767338677579273
2020	15.848526535636513
2021	18.54690038949675
2022	19.18530097290266
2023	15.74366717221045