Year	% of GDP
1976	2.9837734751436535
1977	2.5140524909903523
1978	2.612942768362297
1979	3.707118370449104
1980	3.5642582388803925
1981	3.5917756128813436
1982	3.3733147991552963
1983	2.3264408737101365
1984	3.11346078815421
1985	6.92778291879486
1986	4.047848720229448
1987	3.665948633864159
1988	4.02001599966311
1989	4.733324440419207
1990	4.98017495249713
1991	4.415266313716583
1992	6.098216374202035
1993	4.396997599990787
1994	9.575320150997063
1995	9.716427126646131
1996	9.336084532934
1997	8.513052953002532
1998	8.438414618958067
1999	8.720546217094835
2000	9.746737543562334
2001	11.382609895891214
2002	12.774964369138573
2003	14.629540278488918
2004	15.737109362291452
2005	15.66746528144608
2006	16.124948830900717
2007	16.57935414897316
2008	15.730734103884956
2009	15.589298118618936
2010	15.327999508639683
2011	14.577058502549022
2012	14.642561015299957
2013	15.2261378594526
2014	16.323113045556557
2015	16.641372697711812
2016	17.286396844663557
2017	16.629617380391874
2018	15.902662622290247
2019	16.1871005405661
2020	22.203734700714584
2021	25.288598974851013
2022	21.5674729377537
2023	19.096044216712848