Year	% of GDP
1960	38.88985757311823
1961	36.899009308792316
1962	36.39641166410005
1963	33.87323354115287
1964	35.62560232707065
1965	35.40477449263867
1966	34.722099501605065
1967	33.68390854517091
1968	36.19429201078183
1969	39.42370674893043
1970	43.53064147227641
1971	41.3014490084144
1972	41.225824259295315
1973	41.99798352170632
1974	49.51140240079175
1975	44.5498179516079
1976	43.12153742313819
1977	45.591317886848735
1978	45.332985812823004
1979	50.75873207455244
1980	55.52220637608818
1981	53.76148002206635
1982	50.17085788379318
1983	49.71992628581002
1984	48.98012345679012
1985	48.05115906944802
1986	43.10394621409088
1987	43.31143348691594
1988	39.3163366917352
1989	40.10854198926547
1990	37.876574280719886
1991	35.13159978825994
1992	40.15639239461206
1993	46.54980900266019
1994	51.28560424908263
1995	52.13510436432638
1996	54.905360931790796
1997	57.58471414260832
1998	57.231224662582804
1999	54.97172493152382
2000	63.914689593676044
2001	58.576530413457796
2002	56.52455761389448
2003	55.74286609122024
2004	57.20240938693654
2005	60.65046244011136
2006	67.52107100484649
2007	66.98271872694333
2008	65.88213296297486
2009	48.81428409854507
2010	55.45610191208235
2011	59.29006430536911
2012	57.898085535365205
2013	56.01623389987481
2014	54.97214802540425
2015	51.270521096872145
2016	49.3202365478336
2017	54.23825372893799
2018	56.035007692699914
2019	54.814086926517845
2020	49.4648351599828
2021	56.66973509592348
2022	65.06072281488329
2023	54.86576327064348