Year	% of GDP
1962	3.9437939110070297
1963	0.434782608695652
1964	0.44562049394078795
1965	1.3523370050610302
1966	1.38228792484112
1967	1.33260688417409
1968	1.4142233312539
1969	1.75449137775641
1971	1.03240865427776
1972	1.45867098865478
1973	1.94621227673989
1974	2.2250827510114
1975	2.05680705190989
1976	2.22360119971041
1977	2.53338174190165
1978	2.79637365243246
1979	2.64371530123667
1980	2.9188033688833896
1981	3.0303302426868397
1982	3.50702489000361
1983	3.10480892586401
1984	2.97540078538161
1985	2.7511726460413
1986	2.8054131580068398
1987	2.64913991225016
1988	3.14524514901215
1989	3.3495221333571004
1990	3.44871247254088
1991	3.7862708647432797
1992	3.59563794790509
1993	3.7202758201084998
1994	3.92111119751454
1995	4.20907289936566
1996	5.85688491874941
1997	6.35965296132281
1998	6.57227250690963
1999	6.25764365683521
2000	4.86240221311558
2001	6.07173715802774
2002	5.44167885941746
2003	5.53343538949835
2004	4.9032668433924895
2005	4.43619004108442
2006	3.51171845179021
2007	3.41459524778307
2008	2.72089052653941
2012	2.5271777075949
2013	2.4824131147540998
2014	2.29794559090695
2015	2.1313199145947404
2016	2.2431638636818003
2017	2.00270990259373
2018	2.1494195662191298
2019	2.8078168112503
2020	2.18591328366483
2021	2.0430097632988398
2022	2.76041457754835