Year	% of GDP
1973	3.63143992424011
1974	4.24897003173828
1975	5.22878980636597
1976	5.85832977294922
1977	6.02651977539062
1980	3.76807999610901
1982	5.45739984512329
1983	5.76660013198853
1984	5.87390995025635
1985	5.579824924468994
1986	4.60398006439209
1988	3.94086003303528
1989	4.691925048828125
1990	4.216645002365115
1991	4.38306999206543
1992	3.33665990829468
1993	3.21403002738953
1994	3.747999906539915
1995	3.4738149642944354
1996	3.463250041008
1997	3.852375030517575
1998	2.43892002105713
1999	2.75611996650696
2000	3.8695600032806396
2001	4.223160028457645
2002	4.459119915962216
2003	3.6967248916626
2004	3.91254997253418
2005	4.61641979217529
2007	5.49022006988525
2008	6.19131994247437
2009	6.19848012924194
2010	5.29130005836487
2011	5.058820128440855
2012	4.89723002910614
2013	5.01204001903534
2014	4.815930008888245
2015	4.954105138778685
2016	4.74330496788025
2017	4.395084977149965
2018	4.52690494060516
2019	4.353320002555845
2020	4.91189002990723
2021	4.32000994682312
2022	4.11717510223389
2023	5.65500020980835