Year	% of GDP
1980	11.676942935356458
1981	10.572940159188724
1982	8.782432399529347
1983	8.793772457731421
1984	9.594478186764139
1985	10.277723148975683
1986	8.743365281537004
1987	9.989959960854591
1988	11.768073963809934
1989	11.312059574612562
1990	11.145788555501081
1991	12.31754340349221
1992	14.02654447490004
1993	9.624414984169803
1994	10.105071765941734
1995	8.633524013175023
1996	6.699381052310002
1997	6.65691260005377
1998	7.5785360607151295
1999	9.052260411675423
2000	7.937944280087902
2001	8.60887281578012
2002	5.3330232693465796
2003	4.276065271211834
2004	4.040455863042518
2005	4.260719419978315
2006	3.8460824675539094
2007	3.512897264740835
2008	3.392808940008543
2009	3.421358141065298
2010	3.1594377556562856
2011	2.885554929273127
2012	3.7923419173604387
2013	4.433856547733221
2014	4.296675434953098
2015	4.435470932860848
2016	4.589209978696269
2017	6.292000223790045
2018	6.039004887769079
2019	7.509202935050443
2020	8.545052602364743
2021	8.397548320485344
2022	8.704989943912306