Year	% of GDP
1977	10.462793407691027
1978	8.631153068105192
1979	8.044312960281992
1980	8.423501406621943
1981	5.773809523809524
1982	8.154654266769999
1983	6.30968622100955
1984	6.648386733275738
1985	4.931269184572267
1986	5.846677058240045
1987	5.910959590895418
1988	5.443198146996375
1989	4.25163524432474
1990	3.4998295260825096
1991	3.7869882107950157
1992	3.984581733637212
1993	3.8531749375122866
1994	3.233659167053568
1995	2.896941198709845
1996	2.782676204735762
1997	3.0509044848196964
1998	2.2645488314502398
1999	1.7516025202651566
2000	1.5455760303840202
2001	1.7363188101204428
2002	1.7855904316397067
2003	1.7800501822657768
2004	1.7820740448477674
2005	1.6609699143795051
2006	1.188560393581314
2007	1.1552493995389748
2008	1.2239455566156734
2009	1.122199488035947
2010	1.2684657604611567
2011	1.3346917982679574
2012	1.1648934499423387
2013	1.0833029946406347
2014	0.9378768428832615
2015	0.848906945250532
2016	0.7894320577102055
2017	0.9026434558349452
2018	0.9158214870573987
2019	0.8999702461545663
2020	1.1271311787948495
2021	1.2392808461445555
2022	1.1861003977568627
2023	1.3851494781927334