Year	% of GDP
1980	12.581012073050168
1981	11.893039494001675
1982	12.08307224310646
1983	12.17873275400858
1984	9.190375182366564
1985	7.5126643886762015
1986	7.370879721003696
1987	5.387819013086671
1988	5.066356733563247
1989	5.999369322175757
1990	6.921527153333234
1991	7.319743079650941
1992	9.37198153332509
1993	5.7653257514232985
1994	7.840391923159682
1995	4.030062637357935
1996	2.768401911391886
1997	2.515651707396014
1998	4.394597257137465
1999	3.262209063063616
2000	3.8506051173674267
2001	3.578623024268436
2002	1.8875191273745298
2003	2.155590372912517
2004	2.527828723756627
2005	2.777933841394499
2006	3.5061678656129684
2007	3.76433782428077
2008	6.262299164137048
2009	7.472584489991458
2010	9.502993442025923
2011	9.57361410198919
2012	10.01467365855621
2013	8.557086084423183
2014	7.835985810162842
2015	9.05590258759623
2016	7.89722644943351
2017	7.2931270838709095
2018	6.67171731009978
2019	7.061616284254893
2020	7.450214777294287
2021	7.857551866215997
2022	7.936149974746693
2023	7.111356896151462