Year	% of GDP
1960	21.56940375718228
1961	21.40937032288201
1962	21.801963487575094
1963	21.595914064127133
1964	20.94645146775405
1965	22.288341663436977
1966	21.866816199417986
1967	21.61552594961618
1968	22.411384832759886
1969	22.80723050037856
1970	23.07739670682503
1971	24.70217599596691
1972	25.45513494808545
1973	24.612216797416306
1974	22.698103884338735
1975	23.663642006654392
1976	26.9326884095143
1977	29.08984939553612
1978	30.65430029065564
1979	31.68098432491468
1980	32.301013797795676
1981	27.202635167283965
1982	29.371052846783257
1983	32.63612712109931
1984	34.27248382987827
1985	35.321357803353905
1986	37.7415920391229
1987	38.95003603937683
1988	39.38679846574906
1989	39.7743984499569
1990	39.35937727163139
1991	39.09415273325833
1992	40.53778259126396
1993	41.5272397910833
1994	42.97995297838369
1995	40.96030242195238
1996	40.48392384409577
1997	42.612522245063964
1998	42.46797612253453
1999	49.83230608047749
2000	50.49106857434075
2001	52.579487666918574
2002	55.049910416420936
2003	55.42892582151747
2004	55.39199958224032
2005	55.5677051863489
2006	57.43362729143649
2007	61.73329725856521
2008	62.64589529051307
2009	66.60891618812357
2010	65.11368276511381
2011	64.5206848709181
2012	63.1879048035063
2013	63.98207255992659
2014	64.58408064890395
2015	67.35455466128889
2016	69.50100483391415
2017	69.20172913207614
2018	66.57870658308276
2019	68.64351882528028
2020	78.04418509139116
2021	75.95210317108561