Year	% of GDP
1960	33.70486928509479
1961	33.73772001880279
1962	34.815504788051115
1963	32.76855434043115
1964	31.470389351555273
1965	32.13042101930991
1966	32.85930408472012
1967	32.82674772036474
1968	32.61808367071525
1969	31.42446387923805
1970	30.85472935422919
1971	29.467549145510226
1972	30.48826291079812
1973	28.33168805528134
1974	25.730199701127564
1975	19.236202674703335
1976	18.8493441752135
1977	18.814102564102562
1978	20.403837171702655
1979	30.109512511541475
1980	23.39769084291465
1981	34.77155462499065
1982	32.56027554535017
1983	30.39726231215593
1984	31.153044862732404
1985	34.28477969522996
1986	31.10825944108023
1987	32.00041524411515
1988	31.6808263427581
1989	31.130842103145955
1990	30.48031360417286
1991	32.54275002336067
1992	33.632367904745465
1993	33.13130869921433
1994	33.48835412372422
1995	33.30672855073241
1996	35.16017163422485
1997	36.739717870346986
1998	36.22997919487467
1999	37.82270696757928
2000	44.67027680313378
2001	44.779664651010776
2002	47.741387197095726
2003	46.53787493825278
2004	52.03234582331412
2005	45.31225078659851
2006	47.11979449607602
2007	46.926098068139346
2008	46.89588147775846
2009	44.6270560606876
2010	44.78588236877547
2011	45.77679690886902
2012	44.44412047746376
2013	44.537288796238464
2014	44.04595193309731
2015	44.298812438161875
2016	44.43241640089952
2017	43.47849940617966
2018	43.33889300358757
2019	42.99811104931932
2020	42.83800408961868
2021	41.84638582996924
2022	41.652140872114266
2023	42.37843360471392