Year	% of GDP
1960	4.85730295953435
1961	4.24357000022985
1962	4.04842971228294
1963	3.8244846396228502
1964	3.57356211032106
1965	3.4984649205928102
1966	3.58468738765907
1967	4.34570766758805
1968	4.690180266412581
1969	4.78878606005897
1970	4.197302194483591
1971	4.1191991730591395
1972	3.95652514491618
1973	3.5177090640908
1974	4.82446883464592
1975	5.84732162220776
1976	5.82922738415295
1977	5.9185356544211105
1978	5.57544451249418
1979	5.181248328693
1980	4.660805995178699
1981	5.7357013089349
1982	5.62659345822855
1983	5.17247666277713
1984	4.83544433693963
1985	4.69256693840525
1986	4.128015122113069
1987	4.25552044841929
1988	4.19823223061689
1989	3.7658694645888002
1990	3.79826032707078
1991	3.484865109943
1992	3.62980089042347
1993	3.60012469561704
1994	3.58197232877289
1995	3.17319019644845
1996	3.31191328182087
1997	3.36586889039913
1998	3.5338688153516102
1999	3.3604699446527198
2000	3.4653553200888103
2001	3.2514128562281694
2002	3.07737457530621
2003	2.49389475249858
2004	2.60567252971209
2005	2.83659627711189
2006	2.78341887026498
2007	2.6793059214126402
2008	2.98305234467131
2009	3.2248411378296398
2010	2.75021826236583
2011	2.52227876563293
2012	2.44377558683293
2013	2.36777200944603
2014	2.3522876675733597
2015	2.4633032890439397
2016	2.5721202244942303
2017	2.56348990681236
2018	2.7164530727058898
2019	2.62239872406513
2020	3.06210325200707
2021	3.8631706100809002
2022	3.69207449516864