Year	% of GDP
1980	14.190464089412197
1981	20.726765979576843
1982	21.5936517109982
1983	22.203294426817845
1984	22.311110242808745
1985	21.952897358644428
1986	23.04600487793663
1987	24.636251088641952
1988	23.38900200519291
1989	21.979605166839804
1990	23.47079738206937
1991	25.350756765908706
1992	26.682223561025015
1993	25.776214849515483
1994	23.410807765202854
1995	24.832396991209368
1996	24.76755493129978
1997	24.669188699626268
1998	24.216416227551775
1999	24.75583761675643
2000	23.422436082365685
2001	22.758889806953057
2002	21.565497622199526
2003	22.226278059153305
2004	20.36199227292561
2005	19.26603835799126
2006	19.43986765633978
2007	23.565462125219874
2008	21.515324801358098
2009	23.554747824199357
2010	25.189389062554486
2011	22.85584040321136
2012	24.97057957540931
2013	27.940029477594695
2014	27.7268888440133
2015	27.228582587850475
2016	26.98734923271043
2017	25.603912935069733
2018	25.367524474232923
2019	25.554232326800573
2020	26.4760046729225
2021	25.05291240733296
2022	23.010954531412295
2023	21.77665142417907