Year	% of GDP
1960	34.31608323945025
1961	32.460012589636335
1962	31.64578928579424
1963	32.214533785914746
1964	33.784165678659484
1965	31.397003462014876
1966	31.139063487164506
1967	29.685578463642738
1968	30.173445466317073
1969	30.385729334191847
1970	30.694023479227024
1971	30.96807249756294
1972	26.541723299362395
1973	28.14289570887673
1974	30.594207508899323
1975	27.40732416569199
1976	31.153233945487006
1977	33.48021880434725
1978	31.529418939032283
1979	33.3026926030177
1980	35.16606652305919
1981	32.59269380579602
1982	29.180896355917287
1983	28.018374126205813
1984	26.27895152690614
1985	24.864632284015535
1986	27.57227598877243
1987	28.133293968357243
1988	27.830435642232665
1989	28.50634243444391
1990	26.57160460174172
1991	24.042154972804806
1992	31.499648762409443
1993	32.096826785257846
1994	36.074920704944674
1995	41.257903201415814
1996	41.23582700957532
1997	40.42512347116617
1998	40.02197811650524
1999	40.25655667824454
2000	39.98647114560478
2001	42.335307330586765
2002	42.27008397435321
2003	42.509615329681075
2004	46.58132005961352
2005	48.942468780156005
2006	49.922266733409614
2007	49.357505252907245
2008	50.27851429170133
2009	42.90315136673371
2010	45.663186026014735
2011	49.615663246801
2012	50.15031629558484
2013	48.28623470936312
2014	46.184361476073924
2015	43.45720319052198
2016	39.658035858807665
2017	41.51103263472028
2018	43.31270143493921
2019	40.96038101737647
2020	37.972970181182085
2021	43.90023089940615
2022	45.65359568826948
2023	40.43631936061199