Year	% of GDP
1960	60.720763745886885
1961	59.791808787185076
1962	53.95823694182154
1963	49.47418696041132
1964	49.379628908618706
1965	50.661192825618095
1966	46.64589888394885
1967	48.481628493563235
1968	48.88734133172999
1969	48.4714918137336
1970	44.60493088389653
1971	43.9934867490482
1972	44.32290608202698
1973	42.0319122847901
1974	39.65057469955761
1975	37.767958401795816
1976	35.896176355537015
1977	37.65006709643151
1978	35.42964823531237
1979	33.94310823004177
1980	32.38298671009015
1981	32.00517322127559
1982	32.110751711362745
1983	33.47587979674614
1984	35.03131635371923
1985	39.76705362301901
1986	38.98569760020211
1987	37.91416318957262
1988	37.916397112611804
1989	39.152074060199176
1990	38.601842687273866
1991	39.80627494825191
1992	40.90312391605417
1993	40.73163590285692
1994	40.13352174775046
1995	39.25278247136082
1996	38.89619635311796
1997	39.30732646595412
1998	39.72667964385298
1999	40.90119600596371
2000	41.14246248792617
2001	42.76318252986816
2002	43.580046883475916
2003	43.204866972030665
2004	42.484075572387056
2005	42.524011193393875
2006	42.733777518973966
2007	43.437263652877704
2008	43.060440386117044
2009	44.43575853012738
2010	44.340843841694
2011	44.38319441275506
2012	45.45299521099987
2013	46.778607776409295
2014	48.022963076079414
2015	50.35749001362684
2016	51.736245722116614
2017	51.995857174316505
2018	52.55726033301801
2019	53.50335218339348
2020	53.69512179506687
2021	52.69199738269062
2022	52.428364740618804
2023	53.68901927034497