Year	% of GDP
1960	39.2274925060328
1961	38.74895514728221
1962	40.06298721622864
1963	38.3667884889867
1964	36.97218700515392
1965	37.53121847047943
1966	36.95250773500419
1967	35.520708301316915
1968	35.79641581506662
1969	35.0475157744387
1970	35.66754057885452
1971	36.72905822398896
1972	35.953713583905554
1973	33.450917169660194
1974	33.789428921260246
1975	34.533220234990026
1976	36.2783580790007
1977	35.31339493215568
1978	35.35810669667161
1979	35.93643326082132
1980	35.457741902088394
1981	35.81675543415329
1982	36.6609071328099
1983	36.27730548856816
1984	36.96512328052386
1985	37.74879629297806
1986	38.45121784173749
1987	38.830457473722674
1988	38.378629985938005
1989	38.815920319690726
1990	38.5748634278545
1991	39.233608788724034
1992	39.319709453389784
1993	40.25749034013707
1994	39.35073262429947
1995	39.61207943711502
1996	40.112359518702554
1997	41.05964370674968
1998	41.85063664682798
1999	43.274826931099355
2000	45.00365469395193
2001	45.97175077033734
2002	46.975488299331694
2003	46.99761809105165
2004	46.40608648878149
2005	46.55741213079461
2006	46.26891990245024
2007	46.20266862902625
2008	47.9911424748461
2009	47.5867367116356
2010	46.51941550804651
2011	46.832553173443586
2012	47.58520324485328
2013	48.036305144976396
2014	48.89998568838026
2015	49.0412578688857
2016	48.86799721941333
2017	48.78582018650854
2018	49.36240549300609
2019	50.68484375277015
2020	49.15878999499658
2021	48.796112668424044
2022	50.135229955745444
2023	50.2488117252564