Year	% of GDP
1960	5.434860096642965
1961	5.454344720427784
1962	5.987915467771108
1963	6.333841843440911
1964	6.171401455586591
1965	5.977270825622836
1966	5.827541836785128
1967	5.844518212360385
1968	6.219611385788274
1969	5.93817123146051
1970	5.773056407093398
1971	5.974860460868354
1972	6.590553204138818
1973	8.807257204897308
1974	11.896078615082514
1975	10.324823151237183
1976	11.571268942111754
1977	11.930193798503533
1978	14.465750518127077
1979	16.99090378413314
1980	19.56874880964948
1981	19.96320905760571
1982	17.72798710824725
1983	17.657248525485723
1984	17.99216617263887
1985	15.768978056515948
1986	15.372270014603767
1987	19.391289885744424
1988	21.495146579753868
1989	21.55000026800319
1990	23.426660754246377
1991	25.065014758554362
1992	26.256395255706394
1993	27.02006175168939
1994	28.420496545767037
1995	28.43794645225551
1996	27.89836204748488
1997	29.71522553153279
1998	30.476367522772975
1999	29.903639349258277
2000	33.28352345970823
2001	31.03240718729541
2002	31.833770536300626
2003	34.68627275415978
2004	38.39742169333607
2005	40.596695186313994
2006	41.67822581110658
2007	40.42074144856876
2008	37.58184013226843
2009	29.351933016772147
2010	31.251326788768356
2011	30.822480570600476
2012	29.426465196228474
2013	28.352895056115823
2014	27.335708502632645
2015	25.020305365766323
2016	23.383131251996296
2017	23.799232683840152
2018	23.312946612416948
2019	22.406504487143962
2020	21.875936275054876
2021	23.471181816142256
2022	24.93152652124756
2023	23.61797775510758