Year	% of GDP
1960	26.27563603173359
1961	27.21632298971308
1962	27.926039261651255
1963	28.994443343389637
1964	28.811009825894395
1965	31.70731707317074
1966	29.268292682926827
1967	24.613847964898515
1968	23.05263157894737
1969	22.772277227722775
1970	24.65554749818709
1971	33.14977973568282
1972	37.37214791502754
1973	38.83151372086161
1974	40.92329886992066
1975	43.59413668379974
1976	50.38639876352396
1977	50.90072320841552
1978	52.06053788730954
1979	54.12301706076025
1980	53.05924443635922
1981	49.70506399554814
1982	54.56198268025453
1983	62.08344674728779
1984	60.81127215170231
1985	66.29104882246165
1986	68.33084947839046
1987	75.12956508561903
1988	70.52194052690352
1989	59.22459785468854
1990	55.05540706289393
1991	53.02951416115172
1992	48.17956309514283
1993	47.09579720058073
1994	47.82239868469382
1995	50.83649784203382
1996	53.828444483056046
1997	60.8807385501806
1998	49.289172100375424
1999	55.19726828960546
2000	51.83181007012993
2001	48.6576082380348
2002	52.15742677824268
2003	48.826857834010426
2004	49.61378778150518
2005	52.92355354476956
2006	51.78082676039354
2007	56.47996292716798
2008	46.946904660995045
2009	35.833661858761786
2010	42.144331514442655
2011	44.236397916720136
2012	48.11502383228996
2013	61.379761746196316
2014	61.28296789340655
2015	53.09089734281973
2016	54.611354760452905
2017	42.92004248855394
2018	44.228143923739204
2019	37.08781765520669
2020	31.29028367248634
2021	41.91084363600749
2022	43.54187994711322
2023	31.663549100167593