Year	% of GDP
1975	0.1075452583472829
1976	0.06567641713104971
1977	0.04513593756372133
1978	0.039767939850942506
1979	0.03078092972515282
1980	0.09621809434718695
1981	0.060783028425004465
1982	0.06039821681527358
1983	0.062255140776042495
1984	0.047268626472578824
1985	0.04482319863565935
1986	0.0034762457575898027
1987	0.04400185381194997
1988	0.03818389339801909
1989	0.07511021710662386
1990	0.06685547219810575
1991	0.09752378568373037
1992	0.12068465772814377
1993	0.41861963342303765
1994	0.5414193447353617
1995	0.5703995843706973
1996	0.48834219316239746
1997	0.5263366879680543
1998	0.737421951250584
1999	0.7989446269564995
2000	0.46723597829114044
2001	0.46346277147954595
2002	0.8780816663705809
2003	0.767770630471132
2004	0.6543539135666471
2005	0.578140201297935
2006	0.4964788896651348
2007	0.5055074423614027
2008	0.3390549623703271
2009	0.5700973192877379
2010	0.41023653622901146
2011	0.6363373148506846
2012	0.5077270211259588
2013	0.5055020927283166
2014	0.48764431826440763
2015	0.5742704532644576
2016	0.6121479039556179
2017	0.561942266640702
2018	0.5645645887122163
2019	0.6057175217331641
2020	0.9344561793386056
2021	0.9552122373646679
2022	0.6800038452429723
2023	0.6296589075272313