Year	% of GDP
1966	29.614029476354165
1967	28.80880849587868
1968	28.356097794447415
1969	28.793305269696294
1970	29.983704018957987
1971	28.849844365277434
1972	26.814747399326862
1973	29.866754041794458
1974	34.00487775251923
1975	30.329971962089164
1976	32.76955831166386
1977	31.924944752961505
1978	29.63456782818651
1979	31.614884925031454
1980	32.95309552288405
1981	34.66895625717676
1982	34.96503376059914
1983	33.71173238113265
1984	34.61588366781909
1985	35.65614850252567
1986	32.49816450049492
1987	29.649066441819766
1988	30.139566534953495
1989	31.624914983426706
1990	30.867040159034236
1991	31.464049949981398
1992	30.047586419425137
1993	29.038715624612887
1994	30.928594430063903
1995	31.902645736092772
1996	31.40388238624809
1997	33.405601351868306
1998	34.11255820273959
1999	33.34876126721707
2000	38.13668548916281
2001	38.41408192460816
2002	38.85249562033298
2003	37.04329853231935
2004	38.27933031413971
2005	41.947615340952616
2006	46.636689183720314
2007	48.58531612578834
2008	50.652432489807794
2009	42.62896582997933
2010	43.57704924841912
2011	47.42564656097624
2012	48.61047632294795
2013	48.2213220971567
2014	47.65077690594019
2015	48.630054004681924
2016	46.7428482622986
2017	47.90201312572777
2018	50.41519194228293
2019	51.57764638874909
2020	48.6360796351401
2021	52.0092643854006
2022	58.91727458822067
2023	59.44246985177234