Year	% of GDP
1962	18.7092473906762
1963	19.5957497224281
1964	20.9716569487532
1965	19.8447208138465
1966	19.145469386494
1967	20.5593088385444
1968	20.6525846510132
1969	22.3368181019737
1970	23.0375335771959
1971	25.5272802561291
1972	28.5153403861464
1973	31.3664817167896
1974	32.9824090040116
1975	35.0533266466784
1976	34.9174127000241
1977	39.0560033265717
1978	38.7401827568587
1979	40.4092766963627
1980	40.7618966548432
1981	41.7631157551195
1982	41.1119610634531
1983	42.2637967195917
1984	36.4147866000749
1985	34.0508676452859
1986	33.863676846309
1987	37.9390668175877
1988	37.6578524090097
1989	35.5477941080379
1990	36.4950145398956
1991	36.0103415445764
1992	32.0594486300766
1993	28.6558246270457
1994	18.5220671351368
1995	18.5046323094816
1996	11.2356453697633
1997	11.1012819475022
1998	10.2523357926723
1999	9.47189015365766
2000	9.76197487157275
2001	9.44431281617056
2002	9.64154520466678
2003	9.02565648575852
2004	9.48303011983717
2005	8.85463546639547
2006	10.149368807964
2007	12.1552083745954
2008	12.0323122094594
2009	12.699282868801
2010	13.0878719593805
2011	13.168148828706
2012	13.6834555407143
2013	14.3175686042922
2014	14.6906998099912
2015	16.7417116291801
2016	17.6694307998743
2017	19.2505134817876
2018	19.2748278273806
2019	19.0476721988887
2020	20.5738024943085
2021	20.9963038205128
2022	21.0767374471882
2023	22.457270280767