Year	% of GDP
1976	5.463579941649133
1977	5.328670362706648
1978	5.734924742173959
1979	6.797523960948808
1980	6.465696401902416
1981	5.571969777231956
1982	5.708510482862609
1983	6.140565459588516
1984	6.056814775468252
1985	6.526804558576845
1986	6.367743570285407
1987	6.774072805644277
1988	6.106667746596366
1989	7.217907102027578
1990	8.753104285191066
1991	8.427496592434974
1992	8.679446473086994
1993	8.129183635602647
1994	8.18876078141547
1995	7.907485985702898
1996	8.646553830324706
1997	6.860819049124273
1998	5.661503893704046
1999	5.359366818405658
2000	3.487969939351117
2001	3.735629106886297
2002	4.61892100270127
2003	5.491585748226136
2004	6.1339074203615045
2005	7.7516089757332125
2006	7.398466358051555
2007	6.883317104005658
2008	6.946458756759964
2009	5.643511833203053
2010	6.988981967802467
2011	5.750985134980015
2012	6.037016975240517
2013	4.979949687358327
2014	5.262896572730739
2015	4.901928255287846
2016	4.704690238135197
2017	5.327006532307678
2018	4.942817964349676
2019	5.037317178714804
2020	4.452687641411372
2021	4.9154455391391885
2022	4.858114186565323
2023	5.01459510581736