Year	% of GDP
1963	30.642023346303503
1964	32.913669064748206
1965	36.64383561643836
1966	39.34837092731829
1967	40.0611620795107
1968	39.78052126200274
1969	42.68675455116133
1970	42.1793534932221
1971	46.76734308636149
1972	46.11557596632224
1973	46.79280319456009
1974	47.66666666666667
1975	47.724049124457835
1976	47.40975817630706
1977	51.35583306582324
1978	53.517516377100534
1979	52.041774231401085
1980	51.15381202055382
1981	53.16286931818182
1982	53.53421950781391
1983	55.89090738128984
1984	56.0806084842782
1985	55.636204800972344
1986	53.54368201409317
1987	50.57214032214033
1988	53.07438901486521
1989	47.64692503301926
1990	48.9340505050505
1991	48.699466209598434
1992	47.725720736366796
1993	46.72579187314172
1994	45.914417717257116
1995	47.645422065033024
1996	48.23580610605249
1997	49.310710498409335
1998	50.37905312833003
1999	50.622689494245044
2000	53.27153374576603
2001	53.97586390217969
2002	53.689289633842165
2003	53.59735852517655
2004	52.896017557691074
2005	57.334224206349205
2006	56.80578891037798
2007	58.086840315435374
2008	57.46719434823914
2009	58.483830816394054
2010	57.487998756265746
2011	58.156265114619465
2012	57.99559640246699
2013	56.872132262487106
2014	55.54368063540388
2015	55.43723633402895
2016	54.53534858505304
2017	54.48636576051539
2018	53.92484457994432
2019	54.13407628487366
2020	53.14643270753913
2021	53.26763524461349
2022	54.81635081497775
2023	52.87392771201785