Year	% of GDP
1966	28.041374425849817
1967	26.73702057978822
1968	26.97166988950064
1969	26.717503591135323
1970	27.15103107983472
1971	26.824532103496995
1972	26.406352236373078
1973	27.973165702989494
1974	30.656314600700625
1975	29.37023584227909
1976	28.2378532543842
1977	28.35761407342312
1978	27.418115924857673
1979	29.232995880118345
1980	32.50285239412903
1981	36.0756952407278
1982	35.87365741930127
1983	35.92132300617898
1984	36.292709963680615
1985	36.43113416259092
1986	32.29913321473519
1987	31.703789488307994
1988	33.615712581191424
1989	35.41995546451208
1990	36.4231554732849
1991	37.68247711330248
1992	36.95438332929103
1993	36.56621297134969
1994	36.85186131855493
1995	36.611957036965194
1996	37.06738362581255
1997	37.76286105009488
1998	37.18656051870656
1999	39.34843667981007
2000	44.84726556413969
2001	45.554493949892546
2002	45.70447918590048
2003	43.83840886749469
2004	43.92843495691162
2005	47.452125515225035
2006	50.73004701941451
2007	51.48253505123782
2008	54.17579741403974
2009	47.126073460453846
2010	50.52292763958778
2011	53.820148928067745
2012	54.63049401734379
2013	54.828818986711326
2014	54.61313943640144
2015	55.41817440201196
2016	53.42598052248414
2017	55.07737678290769
2018	56.559804491073905
2019	58.64718221548454
2020	55.1198016695417
2021	58.70294413231333
2022	70.01238943941543
2023	69.00899988939099