Year	% of GDP
1965	7.76508403722035
1966	5.644810952531164
1967	6.874512753320144
1968	6.845113429663644
1969	7.01314974343331
1970	4.90419708029197
1971	5.403893246637134
1972	5.661104999089401
1973	6.610492261591243
1974	5.449719138418143
1975	8.901092980521307
1976	10.77383011828119
1977	11.788193865740741
1978	10.571659818704244
1979	11.784829566577406
1980	11.541262538703375
1981	12.901454300373198
1982	11.591584138158877
1983	10.231042950236967
1984	10.652450103762504
1985	11.529214356244365
1986	11.662299906682936
1987	11.813275084554679
1988	11.447169271578291
1989	11.067604655591527
1990	10.527309120445578
1991	11.49075128633856
1992	15.959726129297563
1993	18.432964105599893
1994	18.99393793408005
1995	24.973158982548192
1996	22.817575136694344
1997	26.3278350735973
1998	22.822051222390265
1999	22.848472090657125
2000	23.28400371026225
2001	22.560773718946585
2002	17.73712952422825
2003	15.699864494515786
2004	16.682695263521683
2005	14.583686792939405
2006	13.446590957736316
2007	12.85566487640607
2008	12.775820258000289
2009	12.419354185892143
2010	9.582536171982287
2011	7.8061356796835675
2012	8.75029128721577
2013	9.294658677614496
2014	10.12404211815503
2015	10.214588593014561
2016	8.179578039662344
2017	7.812188655537397
2018	7.815641022198889
2019	7.779936474451095
2020	6.805289825537423
2021	5.119171484826061
2022	6.702390865884357
2023	6.955044482800657