Year	% of GDP
1976	4.175135251837511
1977	5.690010021721139
1978	5.445167671453723
1979	5.852490886919886
1980	5.988868419151787
1981	5.652714699220819
1982	5.539430550744718
1983	4.69902975695482
1984	4.883958941360147
1985	6.023643794359611
1986	6.686631454001205
1987	7.665595401078734
1988	8.014170001755378
1989	8.221254723904995
1990	8.80619458818631
1991	8.570485783868248
1992	8.566262861144237
1993	9.162130503018398
1994	7.896894606803562
1995	7.862804756200774
1996	7.208680154264852
1997	6.862461334692248
1998	6.892813605709344
1999	9.758938119574546
2000	12.130455416499696
2001	9.995894674224628
2002	9.226966721644686
2003	8.126379950162887
2004	8.516770655773824
2005	7.860394046828399
2006	7.4190073876559985
2007	7.590270086933337
2008	7.305653767830708
2009	6.600942569324363
2010	6.5719819179099055
2011	6.013220616260257
2012	5.715349588546666
2013	5.710142305104277
2014	5.719800726943815
2015	5.760618436654244
2016	6.479834374813718
2017	6.4210064407403
2018	6.684892078778663
2019	6.872761039212487
2020	4.783666216728605
2021	5.791813414671719
2022	7.266590091350271
2023	7.008920329385345