Year	% of GDP
1967	16.334265715339637
1968	13.090072354678073
1969	16.474761820974475
1970	22.23628574012844
1971	23.278254937335223
1972	21.37203182455501
1973	29.80394838720147
1974	45.290246819578336
1975	27.566759809659164
1976	25.446430005393054
1977	27.051778629342387
1978	32.550843421657405
1979	31.903765593897692
1980	36.59733054170307
1981	33.7238011404715
1982	35.763710514220406
1983	39.914766534518016
1984	33.33516895556026
1985	30.311822864830063
1986	35.36404947872613
1987	26.403524460984602
1988	33.10219269029527
1989	34.283274763118065
1990	35.832642783112426
1991	36.08489586721701
1992	33.5609190145268
1993	39.456674704463914
1994	44.38367578974695
1995	44.819270050238735
1996	43.33874421480332
1997	48.19981435987363
1998	45.097199712551706
1999	40.5437841658998
2000	45.619006040772966
2001	49.44731535741031
2002	46.109111218306886
2003	46.6475694362515
2004	42.90233075275891
2005	42.33682710625658
2006	48.79861136326281
2007	45.86543613109865
2008	55.252869235665614
2009	41.634242167223135
2010	50.74295765347265
2011	44.06271908893783
2012	49.30061547664175
2013	46.41050749636117
2014	46.53692489051915
2015	49.730005148192554
2016	49.03020320052599
2017	46.74042771377703
2018	48.65599218232812
2019	50.97726935124051
2020	56.68924903995299
2021	57.76442206878033
2022	61.24495562540545
2023	65.46312642169023