Year	% of GDP
1970	56.87170371900876
1971	54.02140026350817
1972	51.23642132509808
1973	45.27810603033681
1974	32.696764376111
1975	39.182201221431605
1976	35.61461396723891
1977	40.13384019682102
1978	44.0294110468395
1979	41.44474039450031
1980	38.14327125138637
1981	41.728816006504346
1982	48.434552432835886
1983	53.111479136890694
1984	55.514048898485456
1985	58.19036349720523
1986	64.16849161373642
1987	59.84554377357044
1988	61.62132952443451
1989	62.84204166157049
1990	55.47964594682197
1991	57.28165112229656
1992	56.136072941802404
1993	59.56398901900115
1994	58.763866089415615
1995	57.4292991581726
1996	55.508849805139825
1997	55.399366594669154
1998	58.33184379869617
1999	53.90211396168277
2000	48.89445846592631
2001	50.44925450211339
2002	50.47585583901163
2003	48.50058912930819
2004	46.44392826659353
2005	43.01823472057612
2006	42.25461637048101
2007	43.727765593655924
2008	42.31661241057426
2009	48.119172577899526
2010	43.89181421064101
2011	41.11886645086887
2012	42.00753651925766
2013	42.578909076697535
2014	44.83997271233499
2015	50.50193367178009
2016	51.62515482401911
2017	49.84163880019381
2018	47.12593582534787
2019	48.82592590983371
2020	52.35172113913479
2021	49.46202009177016
2022	45.10885129633533
2023	46.20084090274691