Year	% of GDP
1960	14.95398773006135
1961	13.877118644067796
1962	13.63815789473684
1963	13.119103773584905
1964	12.68426294820717
1965	12.385531135531135
1966	11.529605263157896
1967	10.892319277108435
1968	10.946866485013624
1969	10.806650246305418
1970	10.875563063063064
1971	9.97704081632653
1972	9.761061946902656
1973	10.969609261939219
1974	12.520833333333334
1975	10.777272727272727
1976	10.627175054704594
1977	11.788257869118443
1978	13.74982618741977
1979	15.660226205997393
1980	19.54255055795654
1981	19.624498207535442
1982	22.641608174217783
1983	24.607631505664063
1984	24.855784921666004
1985	23.495568899355565
1986	29.26438795234792
1987	32.05651343867697
1988	33.08882733005042
1989	32.326105894762044
1990	32.251795032757855
1991	30.15044506405709
1992	30.40248343567647
1993	22.5276950151135
1994	25.806230293481114
1995	40.5013743525618
1996	43.49775404207236
1997	42.70746022099354
1998	44.224072107742764
1999	44.748560241419746
2000	46.60409944366787
2001	41.65315275820547
2002	41.17219077056919
2003	44.46933764772262
2004	47.6216493711417
2005	48.21932999560628
2006	50.32388358627672
2007	50.987814001109946
2008	52.478772707500724
2009	49.947881279193965
2010	55.04764403379679
2011	57.821731199934646
2012	59.85505220459498
2013	58.08037686206555
2014	59.251625297778766
2015	64.76844829588164
2016	69.36223389844541
2017	70.68084493559937
2018	73.83171734273321
2019	71.07830867649618
2020	72.30777687940254
2021	77.48285947207182
2022	82.28246726654223
2023	67.89071201772904