Year	% of GDP
1960	2.46526491293072
1961	2.09767678480583
1962	2.62854679416837
1963	2.61603995299647
1964	2.43002544529262
1965	2.32591933570581
1966	2.16536792266719
1967	2.4268168805983903
1968	2.75456024663869
1969	2.99136657073967
1970	3.06529850746269
1971	3.56097640464086
1972	3.4742474129821304
1973	2.88224303273153
1974	2.65543855879087
1975	2.79523275748385
1976	3.1314209858016904
1977	3.48177335018462
1978	3.9237142330459003
1979	4.38091940571985
1980	4.2444549436814905
1981	4.0631625186097
1982	4.1203692151208
1983	3.95335883490465
1984	4.06443875433927
1985	4.189115002366299
1986	3.79532821598729
1987	3.36138655753091
1988	2.93350108988332
1989	2.68466712260163
1990	2.5942501889125498
1991	2.64502481409377
1992	2.65742287815579
1993	2.52482449877102
1994	2.50238335344718
1995	2.2737823729037
1996	2.15152508135528
1997	2.1739225047072397
1998	1.8563682812445799
1999	1.62379763252113
2000	1.4882309500745898
2001	1.43378743887059
2002	1.34994925105441
2003	1.24212796855366
2004	1.07980692728253
2005	1.04822946909485
2006	1.1011616129091
2007	1.33969745170473
2008	1.53268865982228
2009	1.70375530197551
2010	1.45480832875808
2011	1.48670410042287
2012	1.38141132916588
2013	1.4039567766839
2014	1.40663602187281
2015	1.42658030230776
2016	1.42166010284752
2017	1.38976479830668
2018	1.35692992388847
2019	1.3513850303183501
2020	1.45451867637883
2021	1.30612765710848
2022	1.1576408457646898