Year	% of GDP
1970	27.468634427702625
1971	27.34511658475404
1972	27.36535322535306
1973	27.5374528314848
1974	30.453362571126696
1975	28.504498102259873
1976	31.163755636557845
1977	32.323639583534664
1978	30.552894886943626
1979	32.43644403924127
1980	35.13193407437468
1981	35.39588802123447
1982	32.37561726761034
1983	31.99398598624329
1984	33.823988450445185
1985	35.16184048159362
1986	32.016882867202476
1987	31.447517667926988
1988	33.49162380537341
1989	35.52315623903355
1990	35.790955081100876
1991	35.45791742492898
1992	34.47489993413672
1993	31.80115268707347
1994	33.82855945240439
1995	34.72346075718219
1996	35.834395013325235
1997	37.83960747708714
1998	38.57612820511645
1999	38.9031024586734
2000	42.01422166593448
2001	42.919109245986895
2002	41.62878180108057
2003	41.81696769714252
2004	43.9251307189084
2005	45.4140534786122
2006	47.246642343520165
2007	48.172384639554956
2008	48.82482211529739
2009	41.85481441343584
2010	47.75763590962033
2011	51.15411777808604
2012	51.178501231307884
2013	50.62512078965096
2014	50.116956204826316
2015	49.33825483038377
2016	48.57568462893512
2017	50.887691791250674
2018	52.461420387755645
2019	52.13172980022848
2020	48.12334823690904
2021	55.03312075058863
2022	61.602263721082196
2023	56.641981219061854