Year	% of GDP
1960	3.53157121879589
1961	3.7645429362880902
1962	3.71108343711083
1963	3.3873390557939898
1964	3.42246520874751
1965	3.55441860465116
1966	3.14398111723053
1967	3.25957446808511
1968	3.27555555555556
1969	3.07933789954338
1970	3.2564885496183202
1971	3.4997938144329903
1972	3.4455205811138
1973	3.34945054945055
1974	3.19302137958854
1975	5.11945392491468
1976	4.94302721088435
1977	4.7136230237621906
1978	4.18730640369176
1979	3.35725855800727
1980	3.9003132966796703
1981	3.82453186997909
1982	4.29815131212686
1983	3.93760520546007
1984	3.5970938149501896
1985	3.53104315878258
1986	3.63799248252089
1987	3.3285852504837696
1988	2.93220863643399
1989	3.14872652091673
1990	3.52770569378721
1991	3.75436424807973
1992	3.8705665002103604
1993	3.9214172544983
1994	4.05135933699201
1995	3.90164973474904
1996	4.139696942618929
1997	4.10367223056831
1998	3.1845009085201403
1999	3.8890173740366496
2000	3.6610946697956197
2001	3.6034570748273502
2002	3.7959268811379503
2003	3.29604717264126
2004	2.69798371690976
2005	2.40937050592188
2006	2.3595222796582003
2007	2.21792932113531
2008	2.199273923442
2009	2.4893117421155497
2010	2.27171421902952
2011	2.02750659150507
2012	2.00944779894555
2013	1.92395933259341
2014	1.8719665511272299
2015	1.81284829274449
2016	2.05032460503249
2017	2.05006581752215
2018	2.52369540945235
2019	2.69365024001119
2020	2.4315679126999097
2021	1.89889704063657
2022	1.23348554849601