Year	% of GDP
1980	101.34973691332985
1981	105.54366025344521
1982	93.9064831733644
1983	81.74673582491
1984	82.53238229246351
1985	79.01140650649914
1986	74.58999182992368
1987	76.86510448096058
1988	68.15349055858564
1989	77.06728017488223
1990	83.2017227221484
1991	84.11065597900598
1992	85.08105445374878
1993	70.9984363701983
1994	65.06698837183852
1995	61.97907586398832
1996	67.0167525014943
1997	61.127340226125845
1998	56.18487477854559
1999	55.374909510155845
2000	56.62846829926782
2001	53.41550495548214
2002	58.625067920469284
2003	56.02851015698357
2004	62.132164078584914
2005	64.41947690298856
2006	62.46523680651471
2007	58.1055213402395
2008	63.30516276519814
2009	49.49813154437742
2010	50.935076782727684
2011	74.7365988909427
2012	83.73912577172639
2013	87.06775078382717
2014	79.51708569052508
2015	71.65060854526749
2016	65.38897662470467
2017	67.40224141076588
2018	71.55353263511715
2019	65.2148742068027
2020	67.28940529020431
2021	70.19172058427326