Year	% of GDP
1965	1.1774967291757499
1966	1.14519427402863
1967	1.16858237547893
1968	1.1018786127167601
1969	0.993485342019544
1970	1.09873104302074
1971	1.18594436310395
1972	1.10024449877751
1973	0.968992248062015
1974	0.9342915811088299
1975	0.952380952380952
1976	1.0725657784481302
1977	1.15156017830609
1978	1.2409369771332999
1979	1.15464930598207
1980	1.49175149175149
1981	3.11281748375665
1982	5.01794189142262
1983	4.70609667233422
1984	2.94048320565704
1985	2.95430518031246
1986	2.89536266349584
1987	2.28721217105263
1988	2.40778195126649
1991	7.1839080459770095
1992	10.1342281879195
1993	18.9837905236908
1994	29.7276853252648
2004	0.634351668877098
2005	0.8564420958834249
2006	0.47617399902736096
2007	0.311075182608453
2008	0.497952236031321
2009	0.651749770983154
2010	0.8167389259227079
2011	1.05878496963336
2012	1.18202743211185
2013	1.08123677293918
2014	1.03252916478791
2015	1.05149809603217
2016	1.0626383218522901
2017	0.9400092701357551
2018	0.938216027306212
2019	0.9403052539250359
2020	0.9734059603865429
2021	0.9983226604172569
2022	1.26514347454168