Year	% of GDP
1965	56.74591394967429
1966	55.61512992313617
1967	54.852990848326186
1968	51.3184171199856
1969	51.25604425727532
1970	51.92923878106184
1971	51.33114820297375
1972	49.247911477770685
1973	44.34056260336948
1974	36.591468563551096
1975	43.209482892842225
1976	38.35549701987495
1977	41.28873929066391
1978	44.36972458094407
1979	42.07387002812645
1980	41.11917545366328
1981	47.30655571853731
1982	49.247023590527576
1983	51.39298907590412
1984	53.904031967404386
1985	54.7888576173053
1986	59.692360234291606
1987	56.33823897862573
1988	58.500969100793775
1989	61.662916245097364
1990	51.71429811403689
1991	60.89961354311891
1992	61.299556068284765
1993	64.90766201476373
1994	63.59256678238749
1995	61.493964612061546
1996	59.570525583255495
1997	60.53867433773485
1998	62.39041896239134
1999	57.074626560235394
2000	53.50090271544744
2001	54.70867189502256
2002	54.30820974256474
2003	53.0004050808611
2004	50.34970444499554
2005	48.134552829897224
2006	47.48700348322301
2007	47.98618000663814
2008	46.84257992776376
2009	53.895657843125065
2010	51.03552768644145
2011	50.03033052197817
2012	53.33763091678264
2013	54.25749603810173
2014	57.36430182107869
2015	63.04001643290557
2016	62.63670617055082
2017	59.73862211619417
2018	58.454968798886895
2019	60.28161006487216
2020	64.9111930187368
2021	60.95659160679675
2022	57.76346744737027
2023	57.93267489927169