Year	% of GDP
1964	33.1953216485337
1965	34.14487130922648
1966	38.50621421933811
1967	45.102239042551936
1968	53.422283538664715
1969	55.28987509502903
1970	54.453019914716705
1971	55.828712874216656
1972	59.82816206678947
1973	59.01199841272157
1974	46.661814513952976
1975	54.92435763044043
1976	59.07016953079049
1977	59.736946182504425
1978	64.51768018706916
1979	62.20994677695448
1980	57.56246090084659
1981	57.02925765128586
1982	66.42100423040091
1983	70.99957219212611
1984	72.76419945602012
1985	76.84860543335891
1986	75.79832764046488
1987	79.6713009069283
1988	83.824030833102
1989	72.79636090361792
1990	61.77114040913104
1991	49.11130985062069
1992	51.941994811257494
1993	50.101458109189124
1994	45.31867225252553
1995	37.16944579494971
1996	33.005836483407776
1997	36.0814341402831
1998	42.37682235411639
1999	42.20770317318459
2000	37.82972484148229
2001	52.381764422765066
2002	57.87507993638478
2003	58.015963671151916
2004	55.02186441448511
2005	51.89256106765875
2006	54.464995497587644
2007	60.71736275767893
2008	59.70944621831749
2009	66.78192168787564
2010	62.615639276869004
2011	62.35097958113492
2012	62.54402455226351
2013	65.5009854719817
2014	70.96747932807531
2015	72.59120329298415
2016	69.83807103292622
2017	71.06339519798208
2018	73.34167761189605
2019	71.50547166048227
2020	84.87178893053499
2021	79.81136929534932
2022	71.67179833643385
2023	74.66039938370447