Year	% of GDP
1980	17.116307338358943
1981	17.116484511001985
1982	17.116461664406444
1983	17.116390629964393
1984	17.116421452468277
1985	17.116471493873117
1986	17.116493308304115
1987	17.116495662375048
1988	17.116518265807766
1989	17.116509584790652
1990	17.116412529708473
1991	17.116504016114607
1992	17.116465233839392
1993	17.116474134032032
1994	17.11647144684373
1995	17.116421460510704
1996	17.11648989799276
1997	17.11642993700442
1998	17.116409313800325
1999	17.116409052817538
2000	17.116426925441765
2001	17.116469535774062
2002	17.116442607491102
2003	17.11645196823248
2004	17.11646375377544
2005	17.116443983771596
2006	17.11645599084993
2007	16.010741281461485
2008	18.694496682860574
2009	16.6441195996643
2010	17.862453145450175
2011	16.72723149592363
2012	16.696059478024804
2013	16.216379629338512
2014	15.237495683711796
2015	13.49633240417793
2016	12.475591957508348
2017	13.323259813689614
2018	14.759457631225581
2019	12.628173514329728
2020	10.9568842983038
2021	13.291759101937245
2022	12.961718860389409
2023	12.71701657499884