Year	% of GDP
1960	0.8715846994535519
1961	1.39528795811518
1962	1.7516339869281001
1963	1.73684210526316
1964	2.18169900980828
1965	2.10650887573965
1966	1.9002325967768698
1967	1.97625210567402
1968	2.07212475633528
1969	1.8947368421052602
1970	1.62528151941587
1971	1.60104203413747
1972	1.48779430882565
1973	1.6775280898876401
1974	1.44237918215613
1975	1.49290780141844
1976	1.28164794007491
1977	1.67878787878788
1978	1.19430693069307
1979	1.93046003441345
1980	2.03165141910241
1981	1.55137131923036
1982	1.04929864960155
1983	1.18897067654805
1984	1.45869894023797
1985	1.3049319324108801
1986	1.35509654006948
1987	1.56959850024171
1988	1.56409120470208
1989	1.30789606118489
1990	1.2251571212605699
1999	0.485389230497635
2000	0.412852302408383
2001	0.357971127306215
2002	0.622819458209776
2003	0.647223226808757
2004	0.6761498504321131
2005	0.680970684993479
2006	0.665723323947751
2008	0.663958979626467
2012	0.702056157787745
2013	0.6872396834962541
2014	0.700924948797968
2015	0.798484704909418
2016	0.673596727016815
2017	0.920613124425981
2018	0.6328575401476
2019	0.47331390555208197
2020	0.45876201515041504
2021	0.5508836488062431
2022	0.557461260604776