Year	% of GDP
1975	18.64590782592213
1976	26.485009942998055
1977	23.687701421753246
1978	22.686384626106662
1979	22.17607357413039
1980	19.415520628683694
1981	23.110218652387328
1982	19.410508329773602
1983	16.69750603378922
1984	14.01624215577704
1985	12.850088183421517
1986	13.72309669129457
1987	13.415985997666278
1988	14.670872188699946
1989	15.99008674101611
1990	15.00617741536941
1991	12.652559055118113
1992	8.277976494634645
1993	9.250602409638555
1994	10.543101455974115
1995	11.661807580174926
1996	12.58308792595709
1997	15.327363184079601
1998	18.759265795976
1999	19.018022570321712
2000	17.98659911750286
2001	16.357832705843837
2002	17.653307580878803
2003	18.35488393830815
2004	19.10291769487589
2005	18.791726665793952
2006	21.151951496060274
2007	18.845015608612485
2008	18.13276165232106
2009	16.75443587297744
2010	15.674821852980395
2011	16.833471193188576
2012	15.92526823573369
2013	16.262826085367816
2014	16.277666893368686
2015	16.63799130826373
2016	16.136733836228867
2017	15.371756561969185
2018	13.990715757589797
2019	14.201491045718628
2020	17.568597714458907
2021	17.00151012804948
2022	16.496220290477794