Year	% of GDP
1977	10.220449550881185
1978	10.303484043110084
1979	9.91508078183059
1980	10.638084607636625
1981	5.5660578651588155
1982	5.154593963882247
1983	5.924895141200776
1984	6.373867149245727
1985	6.723835843156653
1986	7.035799444778958
1987	7.086805285792684
1988	7.278045798207958
1989	9.16018073481252
1990	10.13846488156999
1991	10.127279211283609
1992	10.504796712306721
1993	11.005141616354146
1994	9.732499387009705
1995	6.0312473809018385
1996	5.625617911485972
1997	5.189959059642337
1998	4.667951367808387
1999	11.103108164779464
2000	8.268348933005019
2001	8.985543361361547
2002	9.042919614111465
2003	9.466873168174555
2004	8.995957807137623
2005	8.86898984921695
2006	9.455211306403369
2007	9.61282431457616
2008	9.758086518604836
2009	8.94041860966605
2010	8.969540475335851
2011	8.649685484504905
2012	7.912675910147069
2013	6.971303519738878
2014	6.817849285156857
2015	6.6136243288048835
2016	6.025318750224387
2017	7.47352262278257
2018	8.403678203758156
2019	9.013661881853817
2020	6.16864001346986
2021	6.215749372202658
2022	7.054437052399066
2023	7.221689411704912
