Year	% of GDP
1960	42.18457739769575
1961	47.18952900123733
1962	35.42061340851571
1963	28.94066239091881
1964	21.846608400986785
1965	22.603943556325458
1966	17.324131678539384
1967	23.434416768712037
1968	27.867921922070664
1969	32.35273648104272
1970	36.64906885273476
1971	35.281342193301285
1972	34.30248941951207
1973	40.2841949679221
1974	40.016534397594015
1975	45.40682641606282
1976	43.35027509976632
1977	46.91473512052088
1978	52.21935401846538
1979	42.54592508080052
1980	39.07692215176332
1981	36.990594537691265
1982	37.28323708304097
1983	37.56953342435113
1984	35.16442399473201
1985	34.569172068095874
1986	33.555924588002895
1987	27.556379474276472
1988	27.639484539237557
1989	30.073233859125725
1990	28.58942066510886
1991	31.841327102218575
1992	30.757489424585206
1993	29.09090811336348
1994	30.08014286115115
1995	30.908556240155548
1996	25.678414262690826
1997	22.446972526725332
1998	27.14848165629395
1999	26.247684669065947
2000	23.563906900764735
2001	29.402518567959284
2002	32.42214977599699
2003	32.080821387413536
2004	32.85144764247123
2005	31.175075513313967
2006	30.36211976418236
2007	33.57154599157639
2008	35.536933416448534
2009	46.0669131037696
2010	43.2868274827225
2011	39.753822214212285
2012	40.28237869929326
2013	44.582010840306104
2014	46.89847933637915
2015	51.77961255944097
2016	51.641514285574196
2017	48.26759225758052
2018	46.456859496262645
2019	44.62956178750035
2020	42.94935768250155
2021	39.088622399700895
2022	34.8516503606812
2023	37.7372821866312