Year	% of GDP
1960	17.037568625255503
1961	18.556775859600975
1962	19.628954213907058
1963	19.21199441763954
1964	21.329452517566335
1965	17.81303858107528
1966	17.96321924397157
1967	18.164131814082126
1968	18.685028884687885
1969	17.69887441577616
1970	22.04973094621476
1971	21.057628858387016
1972	19.384059262941317
1973	23.50025334520907
1974	26.80373669059975
1975	25.850611527698693
1976	26.384225485271113
1977	28.37261311725905
1978	27.967569169452844
1979	34.63762863176838
1980	28.865676744826906
1981	22.661318666522785
1982	13.494826126700577
1983	23.541529242891198
1984	24.053031524491598
1985	31.32703028729435
1986	35.375794710773256
1987	36.43247812319664
1988	30.10423960442778
1989	31.40866735922126
1990	27.90681519191146
1991	24.397908259460475
1992	24.813813639818452
1993	29.323887219969656
1994	34.88274935575352
1995	33.7675390253098
1996	29.06652394673457
1997	30.769265057449243
1998	29.56735683296162
1999	32.18974699324522
2000	34.6810755816349
2001	49.65612049580823
2002	113.66086725346887
2003	58.74594805298339
2004	50.759732864848175
2005	37.86947083818349
2006	48.32878741873111
2007	40.22753000579834
2008	37.59516100580966
2009	41.97111148651899
2010	43.54510338574915
2011	41.80381796161738
2012	42.10756546797374
2013	39.08332408945275
2014	42.465160279375354
2015	36.56240345999382
2016	37.00188836898396
2017	39.70204569765791
2018	38.01407128358052
2019	37.82827211947323
2020	42.014211092685166
2021	44.23464961596581
2022	40.402815432388515
2023	48.07266962837899