Year	% of GDP
1970	41.31439077850118
1971	39.24512783409615
1972	38.64107909360427
1973	38.993361385768
1974	41.01770452641021
1975	39.60759380465065
1976	42.36339502879231
1977	46.218698968344995
1978	44.24253890107106
1979	44.544097268155056
1980	46.32151827651667
1981	48.2450230800391
1982	44.383566998424406
1983	43.100683940058396
1984	47.29639347023823
1985	47.76846124714708
1986	43.95237553517438
1987	41.20233714917582
1988	42.37756880339704
1989	44.81487630924366
1990	41.35819828884202
1991	39.81663501592973
1992	40.732219669228805
1993	40.81411746093311
1994	40.06459796979923
1995	40.01970829685321
1996	41.027787872228124
1997	46.49448080790711
1998	45.9946832411421
1999	46.78101479074645
2000	51.437722876885374
2001	50.20269647818738
2002	48.559641164690895
2003	47.72071843444735
2004	51.29998529861726
2005	53.85417403145482
2006	56.60918522456211
2007	61.55281455021559
2008	63.12931869269045
2009	58.00966903846101
2010	64.83762800810553
2011	66.44992364976893
2012	67.77737305366665
2013	72.06821362055493
2014	65.33727012169288
2015	63.828955753898775
2016	66.81772592577204
2017	66.34849028899674
2018	67.47818610319995
2019	66.96539367984194
2020	64.0955571587348
2021	71.28755617636114
2022	76.93561539211152
2023	75.32686523457099